The Escapade™ prescription eyewear and sunglasses are the only things you'll want between the water and yourself. And because the Escapade I can also be used as a motorcycle prescription sunglass, they include a thin back cushion that protects the eyes from wind, dust, and debris particles. Their flexible temple construction, meanwhile, allows the frame to be comfortably worn under most helmet designs. Size: A:60 B:38.5 ED:62 DBL:18 TL:135 Features: 6 base lens curvature Thin back cushion helps protect the eyes from wind, dust and debris particles. Flexible temple construction allows the frame to be comfortably worn under most helmet designs. Includes semi-rigid case, adjustable cord & cleaning cloth. The Ultimate Driver Lens is designed for speed and motion activities. A rose amber lens with a silver mirror coating is tailored for mid-range light transmission and contrast to provide both sustained comfort and visibility under varying light conditions. Polarized Contrast Brown lens performs best in bright to moderate light conditions where there is a combination of reflected light and shade