展开AMERICAN OPTICAL Sirmont C1 ST GYN-PA American Optical sunglass frame featuring a round shape and a black and gunmetal colour frame with grey aolite nylon polarised lenses. This handcrafted eyewear is from the oldest optical company in American history. Based in Illinois each piece is engineered by a team of skilled artisans using the finest materials. AO was the first to produce aviator sunglasses for the US Airforce and were carried by the entire Apollo 11 crew as part of their survival kits, made even more iconic by Robert DeNiro in the 1976 film 'Taxi Driver'.Polarised: Polarised sunglasses reduce the amount of glare from reflected light, this is especially useful for outdoor sports or driving but also great choice for supreme comfort in all conditions. Includes all official eyewear accessories and will be covered by a 24 month global warranty.