US Army Beanie Skull Cap Black Winter Watch Hat Knit Ski Skullie Skully Black US Army Winter Knit Beanie and Bumper Sticker by Buy Caps and Hats. Mid-weight for many cold and cooler weather conditions. Quality made U.S. military hat. One size to fit many men, women and some teens. PLEASE NOTE: The Buy Caps and Hats storefront is the only legal seller of Buy Caps and Hats merchandise. All other sellers are UNAUTHORIZED.