Designed to stand up to the harsh sun, unforgiving salt and rough conditions of a day at sea. Tailfin are as capable as those who wear them and provide an unparalleled visual experience to enhance life on the water. ​They feature a Bio-resin frame with Finlet inspired side shields, hydrolite double injected temples and hydrolite adjustable rubber nosepads, that offer a comfortable fit that stays in place. Additionally, eyewire drains and temple tip retainer holes make the pair best-in-class fishing frames. 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.