| The Freedom 4311 features photochromic lenses (also called photochromatic or light adjusting lenses) that are dark outdoors in the daylight and lighten automatically to almost clear when worn indoors or at night. Comfort and function are key with these special padded glasses. Styled as a sunglass, padded glasses offer protection from wind and dust much like goggles. Soft and durable foam lines the inner portion of the sunglass frame. As an added feature these padded frames float, making them excellent for use on watercraft. Includes detachable strap for versatility and convenience Lightweight 100% UV protection 100% Shatterproof polycarbonate lens | 
