Description of Von Zipper Prowler Sunglasses - Tortoise / Bronze Poly Polarized A white knuckle alliance born of thunder and a fist full of throttle, VZ and Brian Deegan have joined forces to take over the world with the Prowler. The only shade bad ass enough to bear the mark of the Metal Mulisha General. Features: 100% UV protection Impact resistant polycarbonate lens Nylon grilamid frame Polycarbonate polarized Stainless steel optical hinges