McRAE FOOTWEAR MENS SIZE 11.5 TAN BOOTS NSN # 8430-01-516-1696. THIS NSN NUMBER IS AUTHORIZED  BY THE US ARMY  FOR FLIGHT AND COMBAT VEHICLE CREWMAN USE. GOOD CONDITION. IF YOU HAVE ANY QUESTIONS EMAIL US AS WE CHECK OUR EMAIL SEVERAL TIMES A DAY. WHILE YOU ARE HERE CHECK OUT OUR STORE AT HAMMER295ST.