As the tracker but with larger lenses and detachable side shields ideal for sports involving prolonged exposure to strong sunlight includes attachable side shields and adjustable 20mm strap nb no spare lenses frame blackgold lens browngold mirror polarized cat 4 coating hydro strap blackwhite bull 100 uva and uvb protection bull unbreakable polycarbonate lenses category 3 bull frame made of grilamid tr90 providing high flexibility and low weight bull adjustable friction rubb