Barstow in Crystal Frame and Grey Solid Lens from Monokel Eyewear . Handcrafted sunglasses with organic and biodegradable acetate frames and 100% UV protective Carl Zeiss Vision CR39 lenses. Constructed with 5-Barrel OBE Stainless steel hinges, teflon covered hinge screws and a keyhole nose bridge. Unisex fit Protective case, cleaning cloth and storage box included Frame height: 50.5 mm Frame width: 134 mm