We designed the &';M Class X2&'; to offer a refined blend of style and engineering. Featuring polarized lenses for superior clarity, spring hinges for enhanced durability, and all-metal temple stripes for a sleek touch, this collection delivers both performance and sophistication. Product Details : Gender: Unisex Hinge: Spring Loaded UV Rating: 100% UV Protection Fit / Size: Medium - Large Vibe: Lifestyle In the Box: Microfiber Pouch & Sticker Pack Fit Size : Frame M Class X2 Frame Measurements 52.5mm x 10mm x 145.1mm Ideal Face Shape Round and Heart Head Size Medium to Large