Descriptions: Slender silhouettes and ethereal lines define these BOSS sunglasses for men. They’re designed to be worn every day, with an HD eco-acetate structure for unrivalled lightness. What’s more, all the colourways are superb, including those with a visible metal core on the inside of the temples. The BOSS logo adds a subtle touch, elegantly positioned on the outer temples. For universal comfort, they have a Global Fit and are compatible with prescription sun lenses. Product Specifications: Lens Width (mm): 57 Lens Height (mm): 47.7 Bridge Width (mm): 16 Temple Length (mm): 145 Frame Material: Eco Acetate Temple Material: Eco Acetate Treatment: Mirror Shape: Square Double Bridge Frame Colour: Grey Crystal Lens Colour: Green Mirror Prescription Lenses: Yes Polarized: No Hinge Type: No Flex Lens category 3: Sunglasses - These sunglasses provide a high level of sun glare reduction and good UV protection.