AussieBum WJ Air Jockstrap. Jockstrap from AussieBum made in really stylish design for all occasions. Jockstrap with AussieBum's innovative bag that lifts your package so it has plenty of room. Made of soft and stretchy material for a snug fit all day. Stylish elastic waistband with woven AussieBum logo. Take a chance on a jockstrap that won't disappoint you!