​Costa has a legacy of creating the best performance eyewear for water environments, and Mayfly has followed suit. Specifically created to keep up with the amazing lady anglers who could use a women’s specific pair of Costa’s for long days on the water. Mayfly is a female, progressive hybrid design that blends performance and style. Made from light weight durable bio-resin, this hybrid round-cat eye with double injected temples and vented adjustable nose pads produces a wide field of view with maximum light blockage, perfect for long days on the water​. 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.