Typhoon Mission Bay 927 Polarized Sunglasses Resin frame Polycarbonate lens Polarized 100% UV protection coating Lens width: 60 millimeters Lens height: 35 millimeters Bridge: 15 millimeters Arm: 125 millimeters 10% visible light transmission, 100% UV protection. Anti-Glare polarzied, unbreakable injected polycarbonate lenses. Mariner and Catamaran have adjustable nose piece. Tropic has a rubber nose pad.