Mountain Shades Stone Cat Sunglasses Stand out on your next ride with the bold and protective Mountain Shades Stone Cat Sunglasses. These shield style shades feature a durable GRS recycled plastic frame and an anti-slip grip system to keep them locked in place when the wind picks up. Features: Frame shape: shield Grip system: anti-slip temples / nose bridge Frame material: GRS recycled plastic Lens material: TAC nylon Polarization: polarized Lens coating: saltwater resistant Impact rating: Ansi Z80.3 UV protection: 100 UVA / UVB protection