Cool Men's Motocross Motorcycle Dirt Bike ATV MX Off-Road Goggles The frame is higher hardened surface,and the stronger elasticity bring less deformation or any broken. This Lens have good anti-impact,anti-scratch and anti-UV, ext. Sponge Frame can be safely cling to face. Adjustable non-slip and common high elastic strap; can be adapted to any size of head.