Bolle Brands Ascender Square Sunglasses

[Lens Technology & Category : Phantom Photochromatic Cat. 2 to 4] Light Adjustment Technology for Bright Conditions Phantom glass combines NXT material for best optical clarity with a photochromic filter that adapts to any bright light conditions. The tinting of the glass changes from cat. 2 to Cat. 4. [Shape of frame: mountain/glacier] Full coverage and protection of the eyes. The glacier frame provides complete eye coverage and the highest protection for ultimate conditions. [Frame material: 45% bio-based nylon] Flexible and robust with reduced eco-impact. The eco nylon is made of 45% castor oil, reducing the use of fossil petroleum-derived plastic, while maintaining the same performance and quality as conventional nylon. [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 glasses strap] Don't lose your glasses. The sporty glasses strap with the signature rubber hook is a minimalist, lightweight strap that keeps your glasses where you need them.