For lens swapping and removal, the Vue Goggles use our TruLock system. The system's turn-to-release tabs allow you to change lenses in seconds. Rounding out these pro-level goggles are a 45mm strap, a high-flow 360 venting system that keeps you cool and reduces fogging, and a comfortable 3-layer foam to keep sweat out of your eyes. A wide viewport provides exceptional peripheral vision Injected polycarbonate lens is designed to provide optical clarity and protect against roost impact TruLock system makes lens replacement quick and easy Soft TPU faceplate forms to rider's face for improved comfort ABS/Nylon outer frame to resist roost and increase durability 360 venting optimizes airflow keeping the rider cool and reduces fogging 45 mm strap with backing silicone stripe provides superior helmet grip 3-layer molded foam wicks sweat and provides a comfortable fit Offers UVA and UVB protection The pre-curved design offers superior optical clarity Meets ANSI Z87.1-2010 and EN1938 28% Tr90, 23% polyester, 21% tpu, 18% pc, 6% Polyurethane, 4% nylon