Perfec New Glasses Ear Socks for OX8118 OX8027 OX8029 OX8030 OX8031 OX8033 OX3149 OX3128 OX3150 It is a pair of glasses ear socks. Fit for Oakley glasses model CROSSLINK PRO SWEEP SWITHC OX8027 OX8029 OX8030 OX8031 OX8033 OX3128 OX3149 OX3150. Quantity: 1 pair Installation way: in the mirror legs tail rub point detergent lubrication, and then slowly squeezed into the way of.Please be patient when installing If you are not satisfied with the product, please contact me by e-mail. I'll give you a full refund, including shipping charges. And you don't need to return this product.