ANSI Z87 Sport Safety Glasses for Cycling, Motorcycle Riding, Running, Shooting and Hunting. Impact resistant ANSI Z87.1 Polycarbonate lenses Unbreakable, Lightweight and Flexible Rubberized TR 90 frames UltraGrip rubber nosepieces and earpieces Perfect for Hunting, Shooting, Golf, Cycling, Running, Tennis, Baseball, Volleyball, Target Sports, Driving, and Motorcycle riding Fit Medium to Extra Large head sizes.