The Rebound Elite meets the most demanding military-grade standards. These ballistic sunglasses give you high coverage for everything from UV rays to dirt, debris and projectiles. They have an aggressive wraparound design intended for medium to large faces. Product Details Vision High-impact lens material Lenses meet MIL-PRF-31013 clause 3.5.1.10 ANSI Z87.1 compliant 100% UVA/B/C protection Fit / Integration Medium-large fit, medium coverage 9-base lens curvature offers a maximum wraparound fit Frame Nylon frame Hydrophilic megol temple & nose pads