![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/960/119000-119999/119863.jpg)
United States Army cold weather pile cap, 1950 (c) | Online Collection | National Army Museum, London
![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)
United States Army cold weather pile cap, 1950 (c) | Online Collection | National Army Museum, London
![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/EOaMawOW4AEO1Bq.jpg)