B-10 Jacket B-10 Jacket Self: 50% wool 50% polyester Lining: 100% polyester Faux Fur Trim: 100% acrylic Bottom Band: 99% polyester 1% spandex. Made in China. Dry clean only. Front zipper closure. Front flap pockets with snap button closure. Ribbed cuffs and hem. Soft faux fur collar. Midweight wool fabric. ALPR-WO90. WJW53501C1. 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.