A gastric band (10) includes a belt (18) and a balloon (20) secured to the belt. The balloon and belt being shaped and dimensioned to circumscribe the stomach at a predetermined location. The balloon includes a longitudinally extending body with at least one crease (36,38) formed therein, the crease extending along a longitudinal axis of the body for providing the balloon with a reduced noninflated profile without reducing the fill volume of the fully expanded balloon.