Sly Annex MI-7C Thermal Paintball Mask Goggles - Sly Cam Double-Paned, Thermal Lens system with Hardcoat Lens treatment, fog and scratch resistant polycarbonate construction, Dual-Layer comfort foam--base layer SBR foam for impact absorption, exterior open-cell foam for sweat wicking and comfort Extreme protection--double layer foam located in both frame and ear, Premium microstitch strapextra durability, elasticity, and eye-catching embroidered logos Extreme Vision--ultimate visibility, 160 degrees vertical and 260 degrees horizontal vision. See where you're walking! No more sprained ankles!, Full ASTM and CE certification Robust high-density injected polyethylene, Patented QuickChange lens-release system Optimized sculpted visor for improved ball deflection and shade, Ultra-durable integrated strap and retention system for quick lens changes