Ray-Bans Wayfarer Liteforce RB4195 Sunglasses combine iconic style with an all-new, ultra-lightweight frame material. These Ray-Ban classic sunglasses have lightweight polycarbonate lenses that provide 100% UV protection, and are made of a high-performance thermoplastic material thats also used in the aerospace and medical industries. Its an innovation in eyewear that provides superior lightness, durability, flexibility, and comfort, with the same look and thickness of timeless Wayfarer sunglasses. Ray-Ban Wayfarer Liteforce Sunglasses have squared lenses, a traditional bridge, and flatter both mens and womens faces. Nonpolarized. Type: Non Polarized.