Crave WF features a lightweight, flexible and durable grilamid frame, which makes it perfect for almost any athletic endeavor. The rubber stays grippy even when wet so the glasses will stick to your nose when you move, regardless of rain or transpiration.The durable PC lens from Carl Zeiss Vision offers outstanding optical performance and the open frame construction provides ventilation that helps to evacuate steam. The lens is ripel treated to help keeping fog, dirt and grime off your lenses and to makes water pearl off.The Crave AF has been designed to match seamlessly with the Tectal and Tectal Race helmets and is also featuring a snap in hinge construction for improved durability and to avoid breaking the frame when taking a hit. Available with several activity specific tints. CRAVE WF frame dimensionsHeight: 54 mmWidth: 143,73 mmTemple length (from hinge): 115 mmCompositionFrame: Grilamid, MegolLens:Polyamide