REI, or Recreational Equipment, Inc., is an American retail and outdoor recreation services company. Founded in 1938, it specializes in selling outdoor gear, clothing, and equipment for activities like hiking, camping, and climbing. REI operates both physical stores and an online platform, catering to outdoor enthusiasts of all levels. In addition to retail, REI is known for its commitment to sustainability and community engagement. The company is a co-op, meaning members can invest and receive benefits, such as discounts and access to exclusive events. REI also promotes outdoor education through classes and workshops, encouraging people to explore nature.