Costa Fathom Cord, Coral – CF 32Material: Marine grade soft nylonColor: CoralLength: 28The Costa Fathom Cord is a Marine-grade soft nylon retainer designed specifically to fit Fathom and other select Costa sunglasses, especially those with co-injected temples. This retainer measures 28 from end to end. Keep you Costa sunglasses right where you want them with the Fathom Cord.