Crave features a lightweight, flexible and durable grilamid frame, which makes it perfect for almost any athletic endeavor. The hydrophilic 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 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 CLARITY FRAME DIMENSIONS Height: 54 mm Width: 143.73 mm Temple length (from hinge): 115 mm FRAME COLOUR: Uranium Black FINISH: Matt MATERIAL: Grilamid NOSE/EAR PIECE: Hydrophilic rubber LENS Clarity Road Silver Mirror BASE COLOUR: Violet MIRROR COLOUR: Silver LIGHT CONDITION: Category 3: Full Sun TREATMENT: RiPel Anti-Dirt & -Water VISIBLE LIGHT TRANSMISSION: 10% MATERIAL: PC lens by Carl Zeiss VLT EXPLAINED Visible Light Transmission (VLT) describes the percentage of light in the environment that reaches your eye after passing through the lens. A lower number corresponds to a darker lens. Generally speaking, a higher VLT lens will suit lower light conditions, and a lower VLT lens will suit brighter, sunnier conditions.