NFL San Francisco 49ers Sport Sunglasses, Black This modified Aviator comes in a gunmetal finish and features spring hinges. The lenses are also UV400 providing 99.7-percent UVA and UVB protection The polarized lenses are made from high tech TAC, giving the sunglass superior visual acuity The frame features the team logo on the lower right lens and is accented by the team color on the temple tips