Glasses

Aethon provides full coverage protection with a cutting edge sport design that is perfect for those in need of performance eyewear. It is equipped with a removable brow bar for a customizable look and feel. - Made of Grilamid TR-90, a homopolyamide nylon characterized by an extremely high alternative bending strength, low density, and high resistance to chemical and UV damage. - Hydrophilic rubber ear and nose pieces for a no-slip fit. - Adjustable ear and nose pieces for a customizable, comfortable fit. - Vented lenses improve air circulation, prevent fogging.

Brixen offers lightweight, full-coverage protection. The frameless design is perfect for sports where lens fog can jeopardize victory, making it an excellent choice for the cyclist looking to perform at the best of their abilities. - All Tifosi lenses provide 100% protection from harmful UVA and UVB rays and are constructed from scratch-resistant, shatterproof polycarbonate - Grilamid TR-90 frame is made of an incredibly light and durable nylon material that resists chemical and UV damage - Adjustable, hydrophilic rubber nose and ear pieces allow for a custom fit, limiting slippage and increasing comfort - Optically decentered lenses eliminate distortion and prevent unwanted magnification - Vented lenses increase airflow to prevent fogging and help keep you cool - Tifosi's proprietary glare guard lens coating reduces eye strain

Get ready to conquer the trails with Tifosi Optics' Moab - your ultimate adventure companion! Built for thrill-seekers, Moab features a lightweight Grilamid TR-90 frame and hydrophilic rubber earpieces that keep your shades locked in place, even when the sweat starts pouring. Its shatterproof polycarbonate lenses offer crystal-clear vision, while the adjustable nose pad delivers a snug fit for all-day comfort. The Moab's flatter 5-base lens design provides a sleek fit, complemented by a streamlined, full-frame design that's as light as a rimless frame. Choose from fototec lenses that adapt to changing light or interchange models equipped with three lenses, each suited for a different condition. Select Moabs also sport vibrant Clarion Mirrored lenses that repel water, keeping your vision crystal-clear no matter what. Enhance your ride with Moab—grab your gear, hit the trails, and turn every ride into an epic adventure!

Born from the rugged spirit of the original Moab, the Moab Lite carries forward everything athletes loved—bold shield styling, performance-first design, and a secure, stay-put fit. But now, it’s lighter, faster, and more streamlined than ever. We took the full-rim frame and trimmed it down to a sleek, lightweight half-rim silhouette—delivering a barely-there feel that goes the distance.. Whether you're grinding up switchbacks or charging toward the finish line, Moab Lite is built to keep up—with crystal-clear optics and zero distractions.

Rail Race takes the iconic Rail sunglasses to new heights, specifically tailored for cycling and baseball enthusiasts. Building upon the success of the original Rail, Rail Race is a 2-lens interchange model that combines style and performance to elevate your outdoor experience.

Explore the world with Salto, your go-to classic square-style aviator sunglasses. Salto's timeless design, sturdy shatterproof lenses, and a smart integrated hinge ensures you look good, stay protected and move with zero frame bounce and no hair pulls. Equip yourself for any adventure that comes your way. 

ELEVATE YOUR ACTIVE LIFESTYLE WITH SANCTUM SPORT SUNGLASSES Are you ready to take your active lifestyle to new heights? Meet Sanctum, the pinnacle of sports sunglasses that effortlessly combines style, comfort, and performance to enhance your everyday adventures. Born from the foundation of Tifosi's Sizzle, Sanctum takes it a step further with a larger lens and fit, ensuring you're equipped for whatever challenges come your way. Style that Speaks Volumes Sanctum isn't just about functionality; it's a fashion statement. The larger lens and contemporary design add a touch of sophistication to your athletic ensemble, ensuring you look as good as you perform. Whether you're hitting the trails, enjoying a leisurely bike ride, or engaging in intense workouts, Sanctum seamlessly blends style with purpose. Unmatched Comfort for All-Day Wear Say goodbye to discomfort during your active pursuits. Sanctum is crafted with your comfort in mind, featuring a larger and more accommodating fit. The lightweight design ensures that these sunglasses won't weigh you down, providing all-day comfort so you can focus on breaking your personal records or conquering challenging terrains. Performance that Keeps Up with You Designed for those who demand the best in performance, Sanctum doesn't disappoint. The larger lens offers enhanced coverage, protecting your eyes from wind, debris, and harmful UV rays. Whether you're tackling rugged trails, embarking on a leisurely bike ride, or pushing your limits in intense workouts, Sanctum ensures optimal clarity and protection. Versatility Tailored to Your Activities Sanctum is not just limited to one sport – it's your versatile companion for various activities. Whether you're cycling through scenic routes or perfecting your golf swing, Sanctum is your ideal choice. Hiking challenging trails, clocking miles on your run, or engaging in tennis, Sanctum supports an active lifestyle. For a competitive game of tennis or pickleball, and simply embracing an active lifestyle, choose Sanctum as your go-to. Enhanced Style and Design Elevate your athletic look with Sanctum's contemporary and stylish design. Sanctum's larger lens coverage shields your eyes from wind, debris, and UV rays. Hair-Friendly Integrated Hinge Tired of sunglasses that pull your hair when you put them on or take them off? Sanctum's integrated hinge is designed with your comfort in mind. It glides on smoothly without any hair-snagging, ensuring you're always ready to seize the day. Hydrophilic Nose Pads For Secure Fit Experience enhanced gripping power with Sanctum's hydrophilic nose pads, ensuring a secure fit even during the most intense workouts or when breaking a sweat. Bid farewell to the constant need for adjustments while on the move—Sanctum stays in place, allowing you to stay in the moment. KEY FEATURES OF SANCTUM: - LENS TECHNOLOGY: Shatterproof polycarbonate lenses with UVA / UVB protection from harmful UV Rays - ULTRA LIGHT FRAME: Light only 26 grams, THRIVE frame which is a lightweight and durable plant-based material. Features integrated hinge which never pulls hair, hydrophilic nose pads for increased gripping. Tifosi Glide technology allows the frame to slide on comfortably and provide a no-slip fit - IDEAL FOR: Cycling, Golf, Hiking, Running, Tennis & Pickleball, Lifestyle - FIT: Medium - Large - INCLUDED: Microfiber cleaning bag

ELEVATE YOUR ACTIVE LIFESTYLE WITH SANCTUM SPORT SUNGLASSES Are you ready to take your active lifestyle to new heights? Meet Sanctum, the pinnacle of sports sunglasses that effortlessly combines style, comfort, and performance to enhance your everyday adventures. Born from the foundation of Tifosi's Sizzle, Sanctum takes it a step further with a larger lens and fit, ensuring you're equipped for whatever challenges come your way. Style that Speaks Volumes Sanctum isn't just about functionality; it's a fashion statement. The larger lens and contemporary design add a touch of sophistication to your athletic ensemble, ensuring you look as good as you perform. Whether you're hitting the trails, enjoying a leisurely bike ride, or engaging in intense workouts, Sanctum seamlessly blends style with purpose. Unmatched Comfort for All-Day Wear Say goodbye to discomfort during your active pursuits. Sanctum is crafted with your comfort in mind, featuring a larger and more accommodating fit. The lightweight design ensures that these sunglasses won't weigh you down, providing all-day comfort so you can focus on breaking your personal records or conquering challenging terrains. Performance that Keeps Up with You Designed for those who demand the best in performance, Sanctum doesn't disappoint. The larger lens offers enhanced coverage, protecting your eyes from wind, debris, and harmful UV rays. Whether you're tackling rugged trails, embarking on a leisurely bike ride, or pushing your limits in intense workouts, Sanctum ensures optimal clarity and protection. Versatility Tailored to Your Activities Sanctum is not just limited to one sport – it's your versatile companion for various activities. Whether you're cycling through scenic routes or perfecting your golf swing, Sanctum is your ideal choice. Hiking challenging trails, clocking miles on your run, or engaging in tennis, Sanctum supports an active lifestyle. For a competitive game of tennis or pickleball, and simply embracing an active lifestyle, choose Sanctum as your go-to. Enhanced Style and Design Elevate your athletic look with Sanctum's contemporary and stylish design. Sanctum's larger lens coverage shields your eyes from wind, debris and UV rays. Hair-Friendly Integrated Hinge Tired of sunglasses that pull your hair when you put them on or take them off? Sanctum's integrated hinge is designed with your comfort in mind. It glides on smoothly without any hair-snagging, ensuring you're always ready to seize the day. Hydrophilic Nose Pads For Secure Fit Experience enhanced gripping power with Sanctum's hydrophilic nose pads, ensuring a secure fit even during the most intense workouts or when breaking a sweat. Bid farewell to the constant need for adjustments while on the move—Sanctum stays in place, allowing you to stay in the moment. KEY FEATURES OF SANCTUM: - Frame: Light & Durable Plant-based Thrive Frame - Lens: Cobalt Blue Mirror – Shatterproof polycarbonate lenses with 100% UVA / UVB protection from harmful UV Rays - Features: Hydrophilic rubber nose pads that increase grip the more you sweat, Tifosi Glide technology allows the frame to slide on comfortably and provide an anti-bounce fit, & an integrated hinge that never pulls hair - Fit: Medium-Large | Weight: 26G - Included: Microfiber Cleaning Bag

Elevate your active lifestyle with Sanctum, the sports sunglasses that seamlessly integrate style, comfort, and performance into your everyday adventures. Sanctum enhances Tifosi’s classic Swick model but with a larger lens and fit. Whether you're tackling trails, enjoying a leisurely bike ride, or pushing through intense workouts, Sanctum is the perfect companion to elevate your active endeavors.

Your favorite shades just got supersized—introducing Sanctum XL. The ultimate upgrade in sports sunglasses that delivers unmatched style, comfort, and performance. Building on the success of Sanctum, the XL version features an even larger fit and over 25% more lens coverage, giving you expanded protection and confidence for whatever challenges come your way. Take your active lifestyle to the next level and go bold with Sanctum XL.

Elevate your next adventure with Selca, classic aviator sunglasses featuring our sustainable Thrive frame. It is crafted with shatterproof lenses and integrated hinges that never pull hair. Selca ensures you stay effortlessly stylish and protected during all your outdoor pursuits. 

Slay in Sledge. Oversized styling provides maximum coverage and an ergonomic face-fit. Featuring three vented lens options and adjustable temples, Sledge caters to comfort and drives performance. - Frame: Light & Durable Grilamid TR-90 - Lens: Clarion Yellow / AC Red / Clear – Shatterproof polycarbonate interchange lenses for bright and low light scenarios - Features: Vented lenses, fully adjustable ear pads, hydrophilic rubber ear and nose pads that increase grip the more you sweat - Fit: Medium-Large | Weight: 37G - Included: Zippered Hardshell Case & Microfiber Cleaning Bag

Elevate your ride with Stash sunglasses—meticulously designed to meet the unique needs of both cyclists and outdoor enthusiasts. The perfect fusion of style, comfort, and performance. Stash features an innovative, oversized frame with a lower lens bar that stabilizes the frame and increases durability. The lens bar works as an easy lens change system, making it simple to switch between tints and features. The shatterproof lenses ensure long-term protection, making Stash a durable choice for endurance sports.

Swank XL enhances Tifosi’s classic model with a larger lens and fit. The oversized design of the Swank XL in Blackout offers our signature sport features without compromising comfort or style. The hydrophilic rubber nosepieces provide a no-slip grip while the 100% UVA/UVB protected polycarbonate lenses offer scratch-resistance, assuring long-term use. - Frame: Light & Durable Grilamid TR-90 - Lens: Smoke – Shatterproof polycarbonate lenses with 100% UVA / UVB protection from harmful UV Rays - Features: Hydrophilic rubber nose pads that increase grip the more you sweat, Tifosi Glide technology allows the frame to slide on comfortably and provide an anti-bounce fit, & an integrated hinge that never pulls hair - Fit: Medium-XL | Weight: 26G - Included: Microfiber Cleaning Bag

Swank is retro-value for modern times, carrying the freedom of youth into the excitement and unpredictability of tomorrow. Swank’s light frame is designed for a no-slip fit and is equipped with shatterproof, scratch-resistant lenses covering a spectrum of popular colors. - Frame: Light & Durable Grilamid TR-90 - Lens: Smoke – Shatterproof polycarbonate lenses with 100% UVA / UVB protection from UV Rays - Features: Integrated hinge never pulls hair, hydrophilic nose pads for increased gripping, and Tifosi Glide technology allows the frame to slide on comfortably and provide a no-slip fit - Fit: Small-Large | Weight: 23G - Included: Microfiber Cleaning Bag

Swank is retro-value for modern times, carrying the freedom of youth into the excitement and unpredictability of tomorrow. Swank’s light frame is designed for a no-slip fit and is equipped with shatterproof, scratch-resistant lenses covering a spectrum of popular colors. - Frame: Light & Durable Grilamid TR-90 - Lens: Smoke – Shatterproof polycarbonate lenses with 100% UVA / UVB protection from UV Rays - Features: Integrated hinge never pulls hair, hydrophilic nose pads for increased gripping, and Tifosi Glide technology allows the frame to slide on comfortably and provide a no-slip fit - Fit: Small-Large | Weight: 23G - Included: Microfiber Cleaning Bag

Swank is retro-value for modern times, carrying the freedom of youth into the excitement and unpredictability of tomorrow. Swank’s light frame is designed for a no-slip fit and is equipped with shatterproof, scratch-resistant lenses covering a spectrum of popular colors. - Frame: Light & Durable Grilamid TR-90 - Lens: Smoke – Shatterproof polycarbonate lenses with 100% UVA / UVB protection from UV Rays - Features: Integrated hinge never pulls hair, hydrophilic nose pads for increased gripping, and Tifosi Glide technology allows the frame to slide on comfortably and provide a no-slip fit - Fit: Small-Large | Weight: 23G - Included: Microfiber Cleaning Bag

Synapse is charged with features designed for high voltage performance. The Synapse is engineered to excel in both extreme conditions and high energy situations. It has been wired with an open lens frame design that fuses lightweight comfort with an unparalleled field of vision. - All Tifosi lenses provide 100% protection from harmful UVA and UVB rays and are constructed from scratch-resistant, shatterproof polycarbonate - Grilamid TR-90 frame is made of an incredibly light and durable nylon material that resists chemical and UV damage - Adjustable, hydrophilic rubber nose and ear pieces allow for a custom fit, limiting slippage and increasing comfort - Optically decentered lenses eliminate distortion and prevent unwanted magnification - Vented lenses increase airflow to prevent fogging and help keep you cool - Tifosi's proprietary glare guard lens coating reduces eye strain

You'll look and feel fast in Tifosi's Veloce glasses. These stylish, lightweight specs boast Tifosi's exceptionally tough Grilamid frames and include bifocal lenses with +1.5, +2.0, or +2.5 magnification to make bike computers, maps, and anything else appear big and clear. Their open-frame design and large, impact-resistant, polycarbonate lenses offer a wide field of vision and protect you from debris, while the lens vents ensure fog-free vision. And, you'll love the hydrophilic rubber temples and nose pads that adjust in all directions and grip better when wet for a comfortable fit that stays put.

Enduro trail riding to gravel adventure or backcountry powder mission, the Smith Bobcat sunglasses are for riders and skiers who want the full coverage of the Wildcat with a smaller fit and a lightweight feel. This hybrid design pairs goggle-like coverage with the airflow and easy-wear feel of sunglasses. ChromaPop™ brings out the details on forested trails and in bright alpine bowls. The lens is interchangeable, and a bonus clear lens is included for low-light needs. No-slip fit details keeps them in place through rocky terrain and high-speed descents. Product Details: Vision - ChromaPop™ lenses enhance contrast and natural color to make the details pop - Interchangeable lenses Fit / Integration - Small to medium fit, large coverage - 5-base lens curvature - Slight wraparound fit - Megol temples and nose pads provide non-slip grip so glasses stay put - Two-position adjustable Megol nose pads Frame - Evolve™ bio-based frame material is lightweight and durable - AutoLock hinges hold frames open for easy one-hand on and off - Strategic venting increases airflow for reduced fogging and maximum clarity

Beach, boat, town, or trail, the Smith Boomtown sunglasses let you roll between routine and adventure with the coverage you need and style that never looks out of place. A slightly wrapped frame plus a full coverage ChromaPop™ shield lens are all about pursuing your thrill. A comfortable, all-day fit and subtle shape make the Boomtown your quiver-of-one sunglasses for living the good life. Product Details: Vision - ChromaPop™ polarized lenses cut glare and enhance color and contrast - Smudge and moisture resistant for easy cleaning and clear optics Fit / Integration - Medium to large fit, large coverage - 6-base lens curvature - Casual wraparound fit - Megol temples and nose pads provide non-slip grip so glasses stay put Frame - Evolve bio-based frame material is lightweight and durable - AutoLock hinges hold frames open for easy one-hand on and off - Leash-compatible temples

Whether you're running, rolling or sliding, a crisp view of the terrain translates to full-speed-ahead fun. The Smith Defy sunglasses double down with a lightweight, rimless design and terrain-defining ChromaPop™ optics for unobstructed, high-contrast vision. Whether you're on the move in the hills or simply taking in the view from the back deck, an interchangeable lens lets you match the light conditions. Product Details: Vision - ChromaPop™ lenses enhance contrast and natural color to make the details pop - Smudge and moisture-resistant coatings for easy cleaning and clear optics - Interchangeable lenses Fit / Integration - Medium to large fit, large coverage - 5-base cylindrical shield lens curvature - Slight wraparound fit - Megol temples and nose pads provide a non-slip grip so glasses stay put - Adjustable nose pads for a custom fit Frame - The high impact-resistant TR90 nylon frame is durable, lightweight, and flexible - AutoLock hinges hold frames open for easy one-hand on and off

Glacier travel. High elevation summits. Spring snowfields. Eye protection in the alpine is serious business. Whether you're skiing or mountaineering, the Smith Embark glacier glasses hold up to harsh, ever-changing conditions while providing a contrast-boosting view of every crevasse, wind drift and terrain feature. ChromaPop™ delivers color and contrast-boosting performance throughout the full range of the lens, so you always have the best possible view. Removable and ventilated side shields add peripheral light coverage, and low-profile, adjustable temple arms let you customize the fit. A goggle-inspired retainer strap adds the security to keep them in place through technical ascents and high-speed descents. Product Details: Vision - ChromaPop™ lenses enhance contrast and natural color to make the details pop - Carbonic lenses offer impact resistance and clear optics - Smudge and moisture resistant coating for easy cleaning and clear optics (ChromaPop™ option only) - Anti-reflective coating improves clarity and reduces eye strain (ChromaPop™ option only) - 100% UV protection Fit / Integration - Medium fit, large coverage - 6-base lens curvature offers a modest wraparound fit - Megol nose pads provide nonslip grip so glasses stay put Frame - Evolve bio-based frame material is lightweight and durable - AutoLock hinges hold frames open for easy one-hand on and off - Easy adjust quick-fit temples

The thing about classics is they slip across decades. The Lowdown 2 sunglasses could be from this season, next season, or 1962. The bio-based frames have soft rubber nose pads, so they don't slide down your face when you break a sweat. They come with your choice of crystal-clear Carbonic lenses or Smith's color-boosting ChromaPop™. Product Details: Vision - ChromaPop™ lenses enhance contrast and natural color to make the details pop - Carbonic lenses offer impact resistance and clear optics - Smudge and moisture-resistant coating for easy cleaning and clear optics (ChromaPop™ option only) - Anti-reflective coating improves clarity and reduces eye strain (ChromaPop™ option only) - 100% UV protection Fit / Integration - Medium fit, large coverage - 4-base lens curvature is just right for everyday wear - Megol nose pads provide non-slip grip so glasses stay put Frame - Evolve™ bio-based frame material is lightweight and durable - AutoLock hinges hold frames open for easy one-hand on and off

If you like the classic looks of our Lowdown 2 sunglasses and your face is on the large side, then this XL version is for you. The bio-based frames have soft rubber nose pads, so they don't slide down when you break a sweat. They come with your choice of crystal-clear Carbonic lenses or Smith's color-boosting ChromaPop™. Product Details: Vision - ChromaPop™ lenses enhance contrast and natural color to make the details pop - Carbonic lenses offer impact resistance and clear optics - Smudge and moisture-resistant coating for easy cleaning and clear optics (ChromaPop™ option only) - Anti-reflective coating improves clarity and reduces eye strain (ChromaPop™ option only) - 100% UV protection Fit / Integration - Medium fit, large coverage - 4-base lens curvature is just right for everyday wear - Megol nose pads provide a nonslip grip so glasses stay put Frame - Evolve™ bio-based frame material is lightweight and durable - AutoLock hinges hold frames open for easy one-hand on-and-off

Winding descents. Technical climbs. Wide-open straightaways. It's all sharper with the Smith Momentum sunglasses. Performance takes on a new level of clarity thanks to the dual curvature of the toric lens. With a half-frame design, they provide maximum peripheral vision and the crisp visuals of contrast and color-boosting ChromaPop for a terrain-defining view. Whether you're blasting through the trees or rolling in the open, the two-position nose pad and adjustable, corewire temples keep them secure at any pace. Interchangeable lenses let you pick the right tint for the day. Product Details: Vision - ChromaPop™ lenses enhance contrast and natural color to make the details pop - Light-sensitive, photochromic lens option adapts to changing light conditions - Interchangeable lenses - Smudge and moisture-resistant coatings for easy cleaning and clear optics Fit / Integration - Medium fit, large coverage - 7x4 toric-shield lens curvature for sharp peripheral vision - Wraparound fit - Megol temples and nose pads provide a non-slip grip so glasses stay put - Two-position, adjustable Megol nose pads - Easy-adjust, QuickFit temples for a customized fit - Compatible with our optical docking system (ODS4) prescription lens insert Frame - Evolve™ bio-based frame material is lightweight and durable - AutoLock hinges hold frames open for easy one-hand on-and-off What's Included - Bonus clear lens - Performance hard case - Microfiber pouch

When you're moving fast on two wheels, a sharp, unobstructed view is critical. Ripping down singletrack or sprinting to win a stage, the Smith Motive sunglasses offer full coverage and terrain-defining optics. ChromaPop™ lens technology enhances color, contrast and clarity, while the half-frame design offers unrestricted peripheral vision. Because shifting light is a fact of life, they come with interchangeable lenses for different light conditions.

Stair running up bright concrete or riding exposed trails, you need eyewear that feels as good as it looks. With a casual street-ready style and lightweight design, Smith Pinpoint sunglasses easily take you from after work-training to weekend recreation. Available with or without polarization, the ChromaPop™ lenses provide amplified detail and color to keep you focused on whatever lies ahead. Interchangeable nose pads ensure a comfortable, secure fit whether you're running, shredding or just out for a cruise. Vision: -ChromaPop™ lenses enhance contrast and natural color to make the details pop -Polarized and non-polarized lens options -100% UV protection Fit / Integration: -Medium fit, medium coverage -6-base lens curvature provides a modest wrap-around fit -Megol nose pads provide non-slip grip so glasses stay put Frame: -Lightweight, flexible and durable TR90 frame -Evolve™ bio-based frame material is lightweight and durable -AutoLock hinges hold frames open for easy one-hand on and off

Trail or road. On foot or by bike. The Smith Resolve sunglasses serve up a lightweight, minimalist feel with a wraparound fit and maximum airflow for running, hiking, and all types of riding. Interchangeable lenses let you match the light conditions. ChromaPop™ lens tech brings every rock, root and terrain detail to life. Adjustable nose pads and non-slip temples create a secure fit. Product Details: Vision - ChromaPop™ lenses enhance contrast and natural color to make the details pop - Interchangeable lenses Fit / Integration - Medium fit, medium coverage - 8-base lens curvature - Wraparound fit - Megol temples and nose pads provide non-slip grip so glasses stay put - Adjustable Megol nose pads for a custom fit Frame - Evolve™ bio-based frame material is lightweight and durable - AutoLock hinges hold frames open for easy one-hand on and off - Strategic venting increases airflow for reduced fogging and maximum clarity What's Included - ChromaPop™ bright light lens (installed) and interchangeable clear lens - Hard case - Microfiber pouch

There's a time and a place to sweat the details. Designing the Riptide, we did just that. These Smith sunglasses are a classic, Italian-made style with bio-based frames. Spring hinges expand the fit at the temples. The extra flex is not only more comfortable but feels snug through runs and bike rides. These glasses come in two lens options, each with glare-cutting polarization. ChromaPop+ lenses boost detail, color, and clarity while ChromaPop™ Glass has the added benefit of high scratch resistance. Product Details: Vision - ChromaPop™ Glass polarized lenses cut glare enhance color and contrast, and are highly scratch-resistant - Smudge and moisture-resistant coating for easy cleaning and clear optics - Anti-reflective coating improves clarity and reduces eye strain Fit / Integration - Medium-large fit, medium coverage - 6-base lens curvature provides a modest wraparound fit - Megol nose and temple pads provide a non-slip grip so glasses stay put - Spring hinges self-adjust to your face for a snug, comfortable fit Frame - Evolve bio-based frame material is lightweight and durable