Self: 70% cotton 30% nylonContrast 1: 100% cottonContrast 2: 99% poly 1% spandex. Front zipper closure. Zipper front pockets. Back pockets with button closure. Zipper and pen pocket at sleeve. Rib knit trim. ALPR-UR1. MJK47510C1. 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.