The Miami Classic Shoulder System is a favorite of professionals worldwide. A key component of this system is the spider harness which independently pivots at all four points and is connected by Galcos trademark clovershaped Flexalon swivel back plate. This results in a perfect fit and lasting comfort for all sizes and shapes. The harness fits chests to 56. This system is constructed of premium steerhide and includes holster harness with easilyconcealable narrow straps vertical double ammo carrier with secure flaps and a set of system screws. Fits FN 509 Springfield XD 940 3 4 5 XD Mod.2 940 3 4.