Recreational Equipment, Inc., doing business as REI, is an American retail and outdoor recreation services corporation. It is organized as a consumers' co-operative. REI sells camping gear, hiking, climbing, cycling, water, running, fitness, snow, travel equipment, and men, women and kids clothing. It also offers services such as outdoor-oriented vacations and courses. REI operates 165 retail stores in 39 states. It also receives orders via mail-order catalogs and the internet.