In lieu of the norm and the alternative to convention, The A.L.T. goggle can be better described as the Alternative Lens Thing. This extraordinarily lightweight apparatus is frameless by design, utilizing a polycarbonate Toric lens for its structure as well as providing the exceptional peripheral and vertical field of vision. Contrary to set standards, the molded tri-density face foam provides previously unimaginable wicking and comfort, suitable for a medium to large head and can be worn with or without a helmet. Defy tradition and be a nonconformist in this abnormally awesome goggle/sunglass hybrid.100% UV Protection Ergonomic Lightweight Frameless Design, Helmet Compatible, Ultimate Peripheral Vision Oversized 6x4 Toric Polycarbonate Dual Lens, Glaricade Anti-Fog And Hard Coated Lens Forward Venting For Maximum Air Flow, Polar Fleece Triple Density Molded Face Foam Molded Polyurethane Nose Guard, Low Profile Dual Adjustable Strap.