M51 Field Pant Liners
U.S. Military pant liners. They are made to fit inside the M51 field combat pants. They have button holes at the waist and button closed at center front. They are O.D. nylon interior with cream colored frizzae wool on the exterior of the liner, which is used as the very warm protectant. It is tightly woven and an abrasive hand. It it rough texture to keep its strength in the winter weather while keeping the warmth from the wool inside.