All-Star Pro Molded 1.5" Adjustable Belt The 1600 belt offers the feel of a leather belt but with added benefits and a lower price. This belt can be adjusted to any size up to a 49 inch waist. To adjust the belt's size, simply un-latch the metal buckle and trim the desired amount of the belt with a pair of scissors. Add the clasp back on, and the belt is ready to use.