wing suit
n.— «Zielinski was wearing what’s called a “wing suit” for the jump, Grimm said. Such a suit when used by sky divers can slow their descent down to about 70 to 80 mph from the more typical speed of more than 100 mph.» —“Canyon Lake man dies sky diving in Belize” by John Hall North County Times (Escondido, California) Feb. 22, 2006. (source: Double-Tongued Dictionary)