Fit & Design: With its classic design and durable construction, the Sweetwater style takes you from work to play with ease Crafted of buoyant TPX frame materials, these sunglasses float — so you can easily retrieve them from the water Lightweight lenses are 1.1mm TAC polarized with multi layered anti-salt water coating TPE rubber nose pads offer a comfortable fit 6 base lens curvature Medium frame fit Additional Details: Lifetime warranty