Toric-design polycarbonate lens provides superior optics with an unimpeded peripheral vision field. Proprietary HydroShield® Anti-Fog/Anti-Scratch coating delivers consistent condensation-free, scratch-free performance. MMT: Multi-Material Technology® allows the goggles' body to conform to your face for a secure, gap-free fit. Accommodates Rx inserts and easy lens replacement (replacement lenses and Rx inserts sold separately).