bollé Unisex Lightshifter XL Sunglasses, black,

[Lens Technology & Category : Phantom Photochromatic Cat. 1 to 3] All Conditions Light Adjustment Technology Phantom glass combines NXT material for best optical clarity with a photochromic filter that adapts to any light condition. The tinting of the glass changes from cat.1 to cat.3. Frame shape: semi-rim lens: lightweight frame with wide field of vision. This lightweight semi-rim visor offers comfort and a large field of vision. [Frame material: nylon] Flexible, robust and lightweight. The frame is made of strong and flexible nylon, which allows a lightweight but robust frame that is ideal for sports. [Nose & Temples: Adjustable nose piece and Thermogrip temple ends] Great fit, comfort and stability Thermogrip is made of hydrophilic rubber that provides more grip when wet. Together with the adjustable nose pad, it provides a perfect fit, regardless of the intensity of the action. Additional features: Includes sports performance casing: the best protection for your eyes. Sturdy EVA case for safe storage of your sunglasses.