Lambskin Leather Men's Lambskin Bomber Biker Jacket Original lambskin hide 100% genuine leather. YKK zippers. Zippers and accessories might vary as per market availability. We use satin lining inside Size May Vary,Kindly select your size Efficiently. When selecting a size, please leave at least 3-4 inches from body measurement to get a slim fit. For example, if the chest circumference is 38 inches, please select a jacket whith chest of 42 inches to get slim fit. E.g ( 38 + 4 ) = 42 inches.