Meet the Costa 6S9118 Finlet, designed for those who live to explore. These full-rim rectangular frames, crafted from durable nylon and propionate, offer a sleek and functional look in classic black. Engineered with an 8-base wrap and finlet-inspired side shields, they deliver superior coverage and protection in the toughest elements. The green mirrored polarized lenses reduce glare, enhance contrast, and safeguard your eyes with 100% UVA/UVB protection, perfect for intense light conditions on the water. Retainer-ready temple tips and double-injected Hydrolite ensure comfort, grip, and lasting durability for every adventure. See what's out there with confidence wearing Costa sunglasses.