We've updated our classic ma-1 jacket with a slimmer fit throughout the body and sleeves. Like its counterpart, the ma-1 slim fit has a flight nylon, water-resistant shell with nylon lining and 100 percent polyester fill. The black variation has brass zippers while the other colors have tonal metal zippers. The white variation reverses to a white interior while the rest of the colors have the traditional emergency orange lining. Inspired by the original jackets worn by U.S Air Force and Navy pilots in the 1950’s, the modern cut provides a slim fit. S. air force and navy pilots in the 1950's, the ma-1 slim fit bomber jacket with poly-fill and orange lining is the perfect take on a classic bomber silhouette. The modern cut provides a slim fit.