An annual tradition since 2004, Nike and OHSU Doernbecher Children's Hospital have once again teamed up for the Freestyle Collection, a range of sneakers designed by young patients. To date, the program has raised nearly $24 million dollars, with proceeds benefiting the hospital.

This year's collection, featuring six sneakers, is set to release at select Nike retail and partner stores on Dec. 7. Here's a look at the sneakers and the kids who helped bring the brave kids who designed them.