Jacket is made of Soft Milled Cowhide 1.0 - 1.1 mm thick. Features: Plain Sides, Full leather action back, Half belt for easy adjustment, Black satin liner, Heavy snaps, and heavy duty zippers. Measure around widest part of torso, wearing a shirt. Add 2" to exact measurement for correct size to order to give room for easy movement. Size 3X Small to 3X Large.