Dig silverback gorillas? Try these silverback sunglasses. Perfect for beasting, running, or golfing, these sleek gray active sunglasses won’t slip or bounce no matter how sweaty you get. Plus, the stylish polarized green lenses will protect your peepers with UV400 protection. Product Specs Just-right midsize sunnies (see 'Fit Guide' in product images). A classic frame shape with timeless appeal that will always be in style. (Unlike those heinous trends of the late ‘00s). Constructed with a special grip-coated frame to eliminate slippage when sweating. Snug, lightweight grey frame with a comfortable fit that prevents bouncing while you crush your workout. Glare-reducing, polarized green lenses with UV400 protection block 100% of harmful UVA and UVB rays.