ALPHA INDUSTRIES MA-1 W Bomber in Olive,Navy. - size XS (also in S) ALPHA INDUSTRIES MA-1 W Bomber in Olive,Navy. - size XS (also in S) Self & Lining: 100% nylonFilling: 100% polyCollar & Hem: 99% poly 1% spandex. Dry clean only. Reversible. Front zipper closure. Front and internal snap button pockets. Rib knit trim. Zippered utility sleeve pocket. Imported. ALPR-WO28. WJM44500C1. Since setting up shop in 1959, Alpha Industries has supplied men with the best in military-inspired fashion. Formerly manufacturers of flight and terrain jackets for the Department of Defense, these Alpha Industries takes their technologies and soldier style to better suit the everyday guy.