Hagen Single Lens Sunglasses – Gloss BlackIncluded Lenses:SmokeTifosi’s Single Lens models feature shatter-resistant, decentered polycarbonate lenses, Grilamid TR-90 frames and hydrophillic rubber ear and nose pieces. Enjoy these technical benefits with the simplicity of a single lens. Like all Tifosi eyewear, the Single Lens models block 100% of harmful UVA & UVB rays.Weight: 24gFit: S-LFrame Type: Full FrameRX Options: DirectFitFeatures: Grilamid TR-90 Frame: TR-90 is an incredibly light and durable nylon material that resists chemical & UV damage Hydrophilic Rubber: Hydrophilic rubber ear & nose pads increase their grip the more you sweat – no slipping