Product Description Birdz Eyewear The Owl. Comfortable foam padding on the inside. These goggles come with 3 sets of interchangeable lenses- Smoked, Yellow, and Clear. Sides are vented to help prevent fogging and ALL three sets of lenses have ANTI-FOG coating! Shatterproof, polycarbonate, UV400 protection! Comes with a belt case that has pockets for the extra lenses. Changing the Lenses: To remove the lenses: The lenses have their own �rims� that attach to the goggle. Gently pop the lenses with their rims out of the goggle noting the 4 insertion pegs around the rim. To replace the lenses: Noting the 4 insertion pegs around the rims of the replacement lenses, insert them into the notches in the goggle frame firmly. (If lens comes out of it�s rim, do not worry, it�s not broken. The lens will be held in place with it�s rim when attached to the goggle frame.) View product details at Amazon.com