Newly designed ventilated nosepiece allows heat to dissipate from nose bridge to reduce fogging. Soft dual injected rubber temple tips and flexible nosepiece provide non-slip comfort. 9 base curve lens provides excellent side protection against airborne particles. Lightweight, frameless protection is ideal for all-day wear. Lenses provide 99% protection against harmful UV raysNewly Designed Ventilated Nosepiece Allows Heat To Dissipate From Nose Bridge To Reduce Fogging Soft Dual Injected Rubber Temple Tips And Flexible Nosepiece Provide Non-Slip Comfort 9.75 Base Curved Lens Provides Excellent Side Protection Against Airborne Particles Lightweight, Frameless Protection Is Ideal For All-Day Wear Exceeds ANSI Z87.1-2010 High Impact Requirements Meets MCEP GL-PD 10-12 Ballistic Standards CAN/CSA Z94.3-07 CE EN166 Certified