L-2b Cropped Flight Jacket L-2b Cropped Flight Jacket Self: 100% nylon Cuffs: 100% polyester Collar & Bottom Band: 99% polyester 1% spandex. Made in China. Machine wash. Front zipper closure. Front zipper pocket. Sleeve zipper pocket. Ribbed neckline, waistband and cuffs. Sheen ripstop fabric. ALPR-WO85. WJL53000C1. 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.