Our blade sunglasses are the team logo screen printed on one side of the frames and the San Francisco 49ers logo on the other side of the frames. The sunglass arms feature team colored rubber sport grips and flex hinges for comfort and durability. Maximum UV400 protection. Officially licensed NFL product Licensee: Siskiyou Buckle. Maximum UVA/UVB protection. Flex hinges for comfort and durability. Popular, sporty blade frames. San Francisco 49ers silk screened logo. Is made by Siskiyou Gifts.