These spherical goggles have a low-profile fit but maintain the huge peripheral vision and easy swap Lock Steady lens change system of their big sibling. They fit great on a wide variety of face shapes and offer crispy clear vision on the mountain in nearly any light conditions. Triple Layer Isotron Face Foam Triple layer Isotron face foam is constructed of three different densities of material, each one adding to the comfort and functionality of your goggles. The topmost layer features SPY's moisture-wicking Dri-force fleece, which pulls sweat away from your face and out through the foam. All the comforts of bed, and built to shred. Streamlined Frame Venting Creates a no-fog experience, eliminating the need for obtrusive lens vents. Making bluebird days bluer, bumps bumpier, and your sightline crisper and clearer than ever. Relaxes eyes to reduce fatigue, easily distinguish changes in terrain, good rays in & bad rays out, they're pretty much magic. *select lens / frame combinations only* Flex Frame SPY's polyurethane flex frames fit comfortably to the contours of your face, no matter how cold it gets, so you can save your stiffies for the lodge. Silicone Ribbing Silicone-lined strap prevents the goggle from slipping on your helmet or headwear.