Smith Cotton Retainer is the perfect complement to a pair of stylish Smith sunglasses. The Smith Cotton Sunglass Retainer slips over the temples of any Smith Sunglasses to hold them securely in place for sports and other active uses. The rubber glasses strap is made of 100% Cotton. The head strap comes in a variety of colors to complement your designer sunglasses, making them the perfect Eyewear Accessories for your Smith eye wear.