Drum-dyeing is a process in which leather is immersed in dye and tumbled in a rotating drum, allowing maximum dye penetration. This vest has gray-finished leather 1.2 - 1.3mm thick. Features include Single panel back ideal for easy accessorizing with patches and club logos, embroidery or airbrushed art work, 2 inside concealed gun pockets made of special heavy duty textile with built-in holsters and snap closure, reinforced shoulder support for extra weight of weapons, heavy duty long lasting inner lining, heavy duty snaps, and ample length. Sizes Small to 12X Large.