Tifosi's stylish single lens models feature shatterproof, decentered polycarbonate lenses, Grilamid TR-90 frames and hydrophilic rubber temple and nose pads. Enjoy these technical benefits with the simplicity of a single lens. All Tifosi lenses block 100% of harmful UVA/UVB rays. Extremely high alternative bending strength. Low density. High resistance to chemical and UV damage. Non-slip fit. Reflective coating increase terrain break awareness. Reduces eye strain and fatigue. Designed to offer extra grip when wet. Hydrophilic rubber resist aging.