The McWay frame features soft rubber temples and nose pieces making them comfortable to wear for hours at a time. 100% polarized will give your eyes a break while on the water. Mcway Sunglasses Features: 100% UV protection Corrosion resistant polarized lenses with extra lens coating to reduce mirror lens flaking 1.0mm Triacetate (TAC) polarized lenses Fade-resistant frame Integrated hinge will stand up to repeated use Authentic Calcutta logo 1 year limited warranty (Formerly Jost frame)