When you need a pair of glasses that are as aerodynamic as you are on your bike, sport the fresh Spy Logan Sunglasses that have wraparound style for days. Eight-base arch lenses give you clear vision despite their super curved designed. Spy included tough yet light Grilamid frames that won"t weigh you down on any jumps and can handle a few crash landings. A built-in hinge system lets the Logans last as long as your next big air jump; well a little longer than that. Maybe you should work on your jumps. Product FeaturesFrame: Hinge: metalLens: 8-base ARCInterchangeable Lens: noPolarized: noFace Size: mediumFrame Measurements: Case Type: softNose Pads: noTemple Pads: noRecommended Use: big air, casualManufacturer Warranty: 1 Year