High quality sunglasses from a household name, all Calvin Klein Jeans sunglasses are made from tough durable materials. So this CKJ757S CKJ757S-239 from Calvin Klein Jeans will last for many years to come. But don't take our word for it, order the CKJ757S CKJ757S-239 today and if you're not completely happy, simply return it to us in its original condition within 14 days for an exchange or refund.