Flexibility and comfort in a lightweight package just 25g in their original configuration rimless technology delivers virtually unhindered vision perfect for fast paced sports like cycling and triathlon manage sweat with the detachable top bar includes one extra lens top bar with sweat guard and adjustable 20mm strap feb9021 41 frame red lens smokesilver mirror coating hydro spare lens orange strap white 100 uva and uvb protection unbreakable polycarbonate lenses category 3 frame made of gri