REI Co-op offers special promotion for membersREI Co-op is providing members with additional benefits during an 11-day event. REI to host free classes, events on June 15REI Co-op is offering its members a host of free classes and day tours later this month to encourage time outdoors with the arrival of summer. REI to enter a new state REI Co-op continues to expand its footprint. REI adds Colorado store to list of 2024 openings In January, REI detailed plans to open 10 new stores in 2024, including locations in New York, Arizona, Oregon and more.