The tifosi wasp sunglasses are sleek and offer maximum visibility they are made from grilamid tr 90 a homopolyamide nylon characterised by an extremely high alternative bending strength low density and high resistance to chemical and uv damage hydrophilic rubber ear and nose pads prevent slippage while the vented lenses improve air circulation and prevent fogging tifosi wasp sunglasses features material grilamid tr 90 interchangeable lenses adjustable ear pads adjustab