Mykita Birch Sun Sunglasses blend ultra-light Mylon construction with a clean round silhouette. They offer everyday comfort and reliable sun protection in a compact, versatile design. Key attributes: Black | Mylon | 100% UVA/UVB protection | Anti-reflective inner coating | Scratch-resistant, hydrophobic lens coating | Extremely lightweight | Includes original case and cleaning cloth | Adjustable nose pads | Silicone temple tips | Patented spiral hinge | Round frame | Hybrid Mylon-steel construction | Panto-inspired silhouette | Dimensions & fit: Lens width: 47 mm | Bridge: 23 mm | Temple length: 135 mm | Composition & care: Mylon | Stainless steel | Zeiss lenses | Wipe lenses with the included cleaning cloth and store in the original case.