Pyramex I-Force Sporty Dual Pane Anti-Fog Goggles Ratcheting quick release interchangeable temples and strap Scratch resistant polycarbonate lens provides 99% UVA/B/C protection Outer polycarbonate lens protects against the environment, while inner acetate lens is designed to prevent fogging Outside lens is coated with H2X Anti-fog Technology Passes MIL-PRF 32432 High Velocity Impact Standards