Mainsail is a blending of style and performance, made for those water lovers who care just as much about style as they do about the functionality of their gear. Just like its namesake, Mainsail will be your go-to piece for all adventures. Mainsail is a male, sporty square design made from light weight bio-resin. Double injected hydrolite temples and nose pads secure the fit and deliver all day comfort. Subtle side shields offers light blocking without reading overly functional. Versatile and adventure ready. Costa Del Mar sunglasses sold by authorized sellers like Amazon are eligible for all manufacturer warranties. Included is a microbag and cleaning cloth. Click on the Costa Del Mar link above the product title to shop the entire assortment.