The Multicolor Letterman Bomber Jacket made with wool body and leather sleeves, most comfortable imitation leather is used for the sleeves of the casual jacket, which is constructed with the softest, most resilient, and best wool for the body and the softest knit wool for the collar and waistband. The purpose of the jacket is to keep its wearer warm and comfortable. This jacket has HBCU patch on back which gives an appealing appearance that goes well with any outfit, so you may wear it casually on chilly days, to a party, for a play, or on an outdoor trip.