Vintage BDU Fatigue Combat Hat (Black Jolly Roger). Each vintage BDU fatigue combat hat meets or exceeds us gov't specs for all standard issue uniform hats. each hat features durable and breathable 55% cotton 45% polyester construction and is double stitched for maximum toughness. the fabric in "vintage" finished for a super soft look & feel. small tatters in the material and "washed out" look makes each one of these hats unique. each vintage bdu hat looks like one you may find in an army, navy store that has served many years of duty, but they are brand new! our selection of authentic bdu fatigue hats are sized and fitted so the hat fits great and looks even better!