Naked cowhide leather is the top grade of leather--only 5% of skins are graded as "Naked". The leather is soft and supple, with minimum flaws. This jacket has a zip-out liner and a neck warmer to provide flexibility in dealing with weather conditions, a kidney pad on the back, many pockets inside and out, vents front and back, and zippered cuffs for easy on-off. The back of the jacket is a single panel. Sized by loose chest measurement, 40 to 64. 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.