The Gymboree Corporation is a San Francisco-based corporation that operates a chain of around 900 specialty retail stores of children's apparel in the United States, Puerto Rico, Mexico and Canada. It has nearly 500 Play and Music centers worldwide. Bain Capital acquired the company in 2010.
 

In 1986, the company opened a chain of clothing stores named Gymboree. Gymboree stores offer coordinating children's clothing. The sizes range from birth to age twelve. Gymboree, in its current incarnation (it has reorganized several times) is incorporated under the Gym-Mark, Inc nameplate. It currently operates 630 Gymboree Retail, 150 Gymboree Outlet, 120 Janie & Jack, and 200 Crazy 8 stores in the United States.

Crazy 8 was started in August, 2007. It features cheaper clothing and is Gymboree's direct competitor for The Children's Place and Old Navy.