A wheelchair body harness system and method for manufacturing such system comprising a vest portion and seat area created by a strap secured between a patient's legs. The wheelchair body harness may contain a zipper along the center of the patient's chest and abdomen area of the vest portion. Adjustable side and shoulder panels may also be included to accommodate patients of different sizes. The wheelchair body harness may contain straps and buckle members across the patient's sides and shoulders that correspond to straps and buckle members located on a wheelchair or wheelchair insert. The vest portion may contain a Velcro section on the posterior side to adhere to a Velcro back of a wheelchair or wheelchair insert. The vest portion may also contain snap parts interspersed throughout the Velcro section to snap onto mating snap parts on the Velcro back of the wheelchair or wheelchair insert.
