Shock Resistance - Meets ANSI Z87.1+, CSA Z94.3 & MIL-PRF 32432 Ballistic effect | Anti-scratch + UV protection – Scratch-resistant lenses block 99.9% of harmful UV rays | Robust full frame – Robust design with full frame that bends without breaking | Non-slip design - Rubber nose piece and arms keep glasses safe and sweat-resistant | Dust-proof plug - Optional sponge filler reduces dust/debris entry (sold separately)