Full Zip, 3 Snap Pocket Smock:
1956 date. Extremely heavy, rigid, treated poplin fabric. Tail snaps to inside of back.
Denison Style Smock:
1955 date, twill material. Similar straight pocket layout to 1949 Version. Riri zipper, snaps are unbranded. Zipper is closer to 3/4 length, does not reach bottom. Tail snaps to outside of back.
Trousers:
Same material as full zip smock.
Hood:
Same material as full zip smock and trousers but less treated so not as rigid. Wool liner material is similar to wool US WW2 era shirt material.