Costa Del Mar Fantail Sunglasses Nylon Made in US Costa's 580 Polycarbonate provides high clarity, impact- and scratch-resistance along with lightweight all day wear-ability. Gray Polarized is a great everyday choice for activities on water and land. Costa's co-injected bio-based nylon frame material is both tough and durable, while offering a comfortable fit. 100% polarization kills reflected glare and reduces eye strain. Built by hand and backed for life. Every pair of Costa Sunglasses includes a limited lifetime warranty. You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!