Ryders Strike R832-001 Polarized Wrap Sunglasses Plastic frame Composite lens polarized High quality cycling glasses with polycarbonate lenses that block 100% of harmful UVA, UVB & UVC light Frames are TR90 thermoplastic for durability, flexibility, and lightness Hydrophilic anti-slip nose pads and Temple tips actually grip better when wet PhotoPolar Lens changes tint as lighting conditions change, perfect for variable trail conditions while mountain biking Medium fit, 29-9% vlt