Valken Tactical Annex MI-7 Full Face Airsoft/Paintball Mask with Thermal Lens Double-Paned, Thermal Lens system with Hard coat Lens treatment, fog and scratch resistant polycarbonate construction Extreme protection--double layer foam located in both frame and ear Extreme Vision--ultimate visibility, 160 degrees vertical and 260 degrees horizontal vision; See where you're walking; No more sprained ankles