Special grip-coated frame with silicone inserts to eliminate slippage when sweating. Lightweight, durable frame that prevents bouncing while you crush that WOD. Glare-reducing, polarized lenses with UV400 protection block 100% of harmful UVA and UVB rays. Larger frame built specifically for those with magnum-sized noggins. Dark-to-light tint blocks overhead rays and increases ground visibility.