Pellor Exchangeable Sports Sunglasses 3 Lenses Unbreakable Polarized UV400 For Cycling Running Climbing The glasses are designed for driving cycling etc. all outdoor activities Lens made of shatterproof unbreakable PC material are durable enough for long time using and also have the protective function like eye against BB airsoft game bullet Come With an elastic sport belt which you can interchange it as and when you like it to be strap or bow With spare rimmed soft rubber pad, frames tail inside nasal with pads, long wear more comfortable Material: PC (Lens) PMMA(Frame)