High quality sunglasses from a household name, all Calvin Klein Collection sunglasses are made from tough durable materials. So this CK7906SP CK7906SP-001 from Calvin Klein Collection will last for many years to come. But don't take our word for it, order the CK7906SP CK7906SP-001 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.