EXTENDABLE CARGO BED SIDE WALL

A cargo bed system includes a side wall assembly of a cargo bed. The side wall assembly is configured to transition back-and-forth between a standard wall position and an extended wall position. The side wall assembly include an extendable portion and a fixed portion. The extendable portion extends and retracts relative to the fixed portion when the side wall assembly transitions back-and-forth between the standard wall position and the extended wall position.