Milled leather is tumbled or "milled" in a large drum to produce a supple and pliable leather. The leather used in this vest is 1.2 - 1.3mm thick. Features include heavy duty Plastic #10 hidden front zipper, single hidden snap closure at the collar, zipped pockets, two concealed-carry gun pockets made of special heavy duty textile with built-in holsters and snap close, adjustable triple side buckles over a Spandex panel, single panel back, and full lining. Sizes X Small to 5X Large. Low inventory; call for size availability.