Limited quantities available, while supplies last. Free pair must be of equal or lesser value. Excluded from buy one, get one 50% Off and discount coupon offers. Offer excluded on certain styles and brands, including, but not limited to, adidas, Birkenstock, Brooks, Chaco, Converse, Fila, Crocs, Dr. Martens, Hey Dude, Keen, Koolaburra by UGG, Merrell, Nike, Oakley, OOFOS, Rainbow, Reef, Vans, Sanuk, Sam Edelman, Skechers, Sorel, Steve Madden, Timberland, Timberland PRO and Teva. Items may be combined with earned qualifying Rewards Points.