featuresunisex frame design fits medium and large faces helmet compatiblem-fusion combines the simplicity of fast lens alignment with a magnetic latch system that makes lens changes a snapperceive lens provides high-contrast vision and terrain defining clarity in just about any light conditionno-slip silicone strap keeps the goggles in place so riders can focus on the terrain over the glass compatible frame designed to accommodate prescription eyewear underneath the gogglesbonus lens and microfiber goggles bag includedcylindrical injected lens designed reduces peripheral distortion integral clarity technology anti-fog exceeds basic anti-fog treatment standards, delivering crystal clear vision that lasts for an extended period of time wall-to-wall vision incorporates optimal optics in a low-profile frame that utilizes 40% thinner face foam for an ultra-close fittriple-layer face foam features two layers of foam, including a slightly denser layer closest to the face, and a layer of moisture-wicking fleece for a snug seal and comfortable fit thermoplastic polyurethane frame is durable and lightweight but remains flexible in cold weatherfull perimeter vent channel maximizes air flow to bring fresh air in and move hot air and moisture out for clear vision