Duco Men's Rectangle Polarized Sunglasses Driver Glasses 2179S Aluminum-magnesium frame construction generates proper strength and optical stability through a hybrid lightweight metal alloy. Soft thermoplastic rubber tipped temples grip lightly to ensure proper location of the optics without slippage. The TAC polarized lens is 100%UV protection and impact resistance and scratch resistance, it will not be broken even if you hit the lens with hammer. Lens width:68mm-lens height:42mm-bridge width:18mm-arm length:128mm. Perfect for driving, running, fishing, Golf, Running & all outdoor activities. 30 Day Money Back Guarantee.Lifetime Breakage Warranty on Frame & Lens