The Daytona XMB60 Sunglasses are your new sports eyewear for the summer. A high-quality build keeps the glasses firmly in place, with an enhancing sports hinge for optimum fit during activity. The class one lenses are reliable protection against harmful light, offering clarity in extremely bright light.Karbon TX bi-core frame - lightweight and very tough buildXTR Karbon8 class one lenses - protect against UVA UVB and other harmful lightAnti-allergenic temple-tips and nose pads - non-slip for optimum fitSports hinge - enhances fit for high-energy activityLenses: Blue Mirror - for bright to extremely bright conditions