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 Galco's trademark clover-shaped 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 easily-concealable narrow straps, vertical double ammo carrier with secure flaps and a set of system screws. Fits Glock 20, 21, 21 SF Standard Glock Rail, 29, 30, 30 with rail, 37, 41.