Need some Awesome Sunglasses? HUMVEE has what you're looking for. The HUMVEE Sunglasses are available with 52mm or 57mm (2' or 2.25") TAC Lenses. Pilot Sunglasses have Polarized UV 400 Protection, Spring Loaded Temple Hinges with Grey Lenses. The Olive Finished Frames are made from High-Nickel Copper Alloy. The Lenses Lightweight 1.0mm (.04") Thick Lenses also has Anti-Reflective Properties with a Lens Curvature of 600C. The ANSI and CE Standards Approved Sunglasses are equipped with both Nose and Temple Pads for a Comfortable Fit. To protect your Eyewear the Sunglasses come with a Designer Protective Case.