Founded in 1938, REI is a national outdoor retail co-operative. Based in San Francisco, Calif., it operates retail stores across the United States, two online stores; http://www.rei.com and http://www.REI-OUTLET.com as well as an adventure travel company, REI Adventures. The firm offers products from various brands for camping, climbing, cycling, fitness, hiking, paddling, snow sports and travel, including its own line of outdoor gear and apparel. Additionally, REI offers an array of sunglasses, backpacks, bikes, car racks, dog gear, tents and watches, to name a few.