This is an authentic US Army Wool OD Garrison Cap Size 7, dating back to the year 1948. The cap is made from wool in the Olive Drab (OD) colour, which was predominantly used by the US Army during this time period. It is a traditional garrison cap, a foldable military hat that was commonly used by various armed forces during the 20th century. The cap is in size 7. The year of manufacture is 1948, clearly marked on the cap tag.