Lens: Clarion Red Fototec – Shatterproof polycarbonate lens that repels water with a tint that starts nearly clear and darkens in sunlight to a smoke tint with red mirror VLT (Visible Light Transmission): 45%~15% Features: Vented half frame, fully adjustable nose & ear pads, hydrophilic rubber ear and nose pads that increase grip the more you sweat