Certified to MIL-PRF-32432A and ANSI Z87.1-2010, these SENTINEL ballistic protection sunglasses ensure maximum protection in all circumstances. Thanks to its adjustable bridge, its flexible non-slip temples and its ultra wrap-around fit, SENTINEL provides you with comfort and protection. Highly flexible, comfortable frame Straight non-slip temples Ballistic polycarbonate lens Lens Colors COPPER (CSP) - Indoor/outdoor use. Tint base : Brown. % Visible Light Trans - 65%. Ideal for all activities requiring exposure to alternating high and low light. Adapted to environments with extreme temperatures. Blue light filtration and combination with the exclusive PLATINUM anti-fog coating. SMOKE - Outdoor use. Tint base : Smoke. % Visible Light Trans. : 13%. Filters UVA and UVB (99.99%). Compatible with exclusive double-sided PLATINUM anti-fog and anti-scratch coating. POLARIZED - Outdoor use. Tint base : Smoke. % Visible Light Trans. : 13%. Improves colour perception and visual comfort. Improves perception of contrast and depth. Reduces eye strain. Specifications WEIGHT - .99 oz FRAME TYPE - Half Frame FRAME MATERIAL - PC/TPR FRAME COLOR - BLACK LENS MATERIAL - POLYCARBONATE BALLISTIC RESISTANCE - STANAG 2920 / MIL-PRF-31013 STANDARDS - ANSI Z87.1-2010 SUPPLIED WITH MICROFIBER POUCH