- Advanced polycarbonate composite shell - New 2 stage compression anti-fog frameless double lens or electric shield with anti-scratch hard coated outer lens (provides 95% UV protection) - Quick, secure, tool-less removal and installation lens - Adjustable forehead and chin vents, and two rear exhaust vents - Crown and cheek pads are removable and washable - Breath box and chin curtain included for added warmth and reduced fogging