BLACKHAWK! Men's I.T.S. HPFU Pants cotton 70% cotton / 30% nylon ripstop.Lining: Polyester Tricot Mesh. Lean, athletic cut with articulated knees and elbows for increased performance, mobility, and reduced bulk no-melt, no-drip materials, the HPFU uniform integrates four life-saving tourniquets into the arms and legs of each garment and meets U.S. Army Institute of Surgical Research tourniquet requirements (USAISR) Indonesia Indonesia