HK Army Headwrap - HSTL/HK PatternsThese HK Army head wraps all feature HK Army or HSTL logos, patterns, and designs. Check out all of the different styles available! HK Army Headwraps are designed to add some protection to your head and keep you cool while playing paintball on those hot days. Terry cloth fabric on the forehead helps absorb sweat and protect against forehead shots. The mesh helps keep the sun off of the back of your neck and keeps you cool.