A staple in the Monokel Eyewear catalog, the Barstow presents a classic approach with its rounded lenses and slender arms. Details like the keyhole bridge highlights the quality craftsmanship, polished to perfection. Handcrafted from organic- and biodegradable acetate 100% UV protective Carl Zeiss Vision CR39 lenses 5-Barrel OBE Stainless steel hinges Teflon covered hinge screws Keyhole nosebridge Includes protective case, cleaning cloth and box for storage Frame width: 134 mm Frame height: 50.5 mm Lens width: 47.3 mm Nose width: 23.5 mm Temple length: 145 mm