Crews ForceFlex Safety Glasses features opaque black TPU frame for more comfort. TPU material of the frame allows it to flex and fit individual faces from large to small. Glasses consist of rugged dual polycarbonate blue diamond mirror with lens that filters 99.9% of harmful UV rays and has 9% VLT. Glasses consist of multi-injection molded lens and frame. It provides high level of protection and the combination of thermo plastic rubber as well as polycarbonate provides comfort with durability. Safety glasses feature black temple sleeves and opaque black bayonet temple to provide comfort for extended wear. It includes a dual-purpose storage/cleaning bag for convenience. This eyewear comes with an exclusive Duramass technology that provides resistance to both scratches as well as fog. Glasses meet military MIL-PRF-31013 clause 3.5.1.1 for high velocity impact protection and exceed ANSI Z87 standards, sold as 144 pairs per pack.