Zol Grand Prix Photochromic Sunglasses Color:Blue from small to large

from small to large

Bunny combines functionality with fashion

and physical activity

21'' to 32'' stretchable length

and performance-ready

Zol Grand Prix Photochromic Sunglasses Color:Blue from small to largePhotochromic Changing Conditions. 100% UV protection, with a Cat. 0% shade Clear to Cat. 3% Sun. Polycarbonate lens. Lightweight frame. One year warranty directly with manufacturer. Microfiber Cloth The Zol Grand Prix photochromic sunglasses have an optical lens that darkens on exposure to light of sufficient high frequency, most commonly ultraviolet (UV) radiation. In the absence of the activating light, the lenses return to their clear state. This