White House Black Market Peplum Hem Military Inspired Distressed Jean Jacket. This WHBM Distressed Jean Jacket Blazer is a stylish and versatile military-inspired fitted jacket. Made from a comfortable cotton blend denim, this short jacket features silver tone double breasted buttons. The jacket has long sleeves, a stand up collar, and closure with a hidden hook & eye detail. 89% cotton, 11% polyester Size: 14 Approx measurements: Armpit to armpit: 20.5” Length: 21”