![Image of United States Army cold weather pile cap, 1950 circa (fabric) by American School, (20th century) Image of United States Army cold weather pile cap, 1950 circa (fabric) by American School, (20th century)](https://images-cdn.bridgemanimages.com/api/1.0/image/600wm.XXX.64172950.7055475/5923967.jpg)
Image of United States Army cold weather pile cap, 1950 circa (fabric) by American School, (20th century)
![CMH on X: "#TBT With winter in full swing, let's take a look back at that odd looking but warm Army issued hat called the Pile Cap. First introduced into the Army CMH on X: "#TBT With winter in full swing, let's take a look back at that odd looking but warm Army issued hat called the Pile Cap. First introduced into the Army](https://pbs.twimg.com/media/EOaMauBWoAE9FGu.jpg)
CMH on X: "#TBT With winter in full swing, let's take a look back at that odd looking but warm Army issued hat called the Pile Cap. First introduced into the Army
![United States Army cold weather pile cap, 1950 (c) | Online Collection | National Army Museum, London United States Army cold weather pile cap, 1950 (c) | Online Collection | National Army Museum, London](https://collection.nam.ac.uk/images/960/119000-119999/119866.jpg)