Acid Tactical&reg; Brown / Green Hexagon Camouflage Balaclava Full Face mask Ninja hood Millitary Camo One size fits all Made of breathable polyester material, makes you cool and comfortable SNUG COMFORT FIT adjusts to your head size which makes wearing it a real pleasure. Not too thick so can be worn comfortably under hats and helmets. SUPERIOR BREATHABILITY and ultra lightweight material does not restrict your natural airflow. Absorbs and filters out moisture to prevent Jungle Hex color