ALPHA INDUSTRIES L-2b Sherpa Flight Jacket in Red. - size M (also in XS) ALPHA INDUSTRIES L-2b Sherpa Flight Jacket in Red. - size M (also in XS) Self: 100% polyLining: 100% nylonCuffs: 100% acrylicHem:88% acrylic 11% poly 1% spandex. Faux fur. Reversible. Front zipper closure. Exterior and interior welt pockets. Utility sleeve pocket with logo pull tab. Ribbed edges. Imported. ALPR-WO50. WJL49500C1. 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.