Performance safety glasses designed with high impact， fog-free lenses. Passes a high-velocity impact test， for lenses with military-grade impact protection. Feature fog-free lenses， so they stay clear in the toughest conditions， and are coated to reduce scratching. The yellow-tinted lenses make environments appear brighter， making them ideal for working in low light. ANSI Z87.1+， CSA Z94.3， MIL-PRF-32432 ballistic impact fragmentation - Class 1. Limited lifetime warranty.