These John Ownbey M51 Field Pants were produced by the John Ownbey Company Inc. in 1958. These olive green pants feature two button down slanted front pockets with two button down cargo pocket further down the thigh. A brass zipper front fly with waist adjustable straps, as well as two snap down back pockets. A special feature of these pants is the adjustable cuff at the bottom of the legs to allow for a tighter fit around the ankle.