FEATURES: The Costa Fathom cord is a Marine grade, soft nylon cord retainer with adjustable logo bead and slip fit attachments to ensure your sunglasses stay put, on and off the water. From end-to-end, the Costa Fathom Cord measures 28". The Costa Fathom Cord is designed to fit most styles with co-injected temples, and small to large temple tips. VISIT THE COSTA BRAND SHOP: Click on the Costa logo above to view the entire Costa sunglasses and accessories assortment.