Material: Wool with Faux Leather Sleeves Internal: Viscose Lining Collar: Rib-Knitted Collar Kindly check Your Size Efficiently. When selecting a size, please leave at least 2-4 inches from body to get a slim fit. For example, if the chest circumference is 44 inches, please select a coat with chest of 48 inches to get slim fit. E.g ( 44 + 4 ) = 48 inches. This product of Classic Leather is the Men's Baseball Hills Cop Varsity Letterman Bomber Jacket with Leather Sleeves is CLASSIC LEATHER best product. It is made of 100% wool , polyester and features a classic bomber jacket style with a letterman patch on the left chest and a leather sleeve. The jacket also has a ribbed collar, cuffs, and waistband for added comfort and style. It is perfect for casual wear or for adding a touch of varsity style to your outfit.