US Army digital camo cargo pants size M #military #tactical These are official US Army Combat Uniform (ACU) Trousers featuring the Universal Camouflage Pattern (UCP), a pixelated digital design.The identification code SPM100-05-D-0410 is a Defense Logistics Agency contract number issued by the Defense Supply Center Philadelphia. It verifies that the pants are genuine military surplus produced under a 2005 fiscal year contract. This particular production run was manufactured by Woolrich, Inc..