1. British Uniforms:
- Field Uniform: British soldiers wore khaki woolen uniforms for field duty. These uniforms provided better camouflage than the traditional red uniforms that had been previously used.
- Service Dress: For formal occasions and off-duty hours, soldiers wore a service dress uniform that consisted of a tunic, trousers, and puttees (cloth wrappings worn around the legs below the knees).
- Headgear: The British Brodie helmet, also known as the "Tommy Helmet," was widely used for head protection.
2. French Uniforms:
- Horizon Blue Uniform: French soldiers wore distinctive horizon blue woolen uniforms.
- Adrian Helmet: The Adrian helmet, designed by General Auguste-Louis Adrian, was the standard steel helmet used by the French troops.
3. German Uniforms:
- Field Gray Uniform: German soldiers wore feldgrau (field gray) woolen uniforms. The color provided better camouflage than previous Prussian blue uniforms.
- Pickelhaube: German troops initially wore the distinctive spiked Pickelhaube helmet. However, as the war progressed, it was gradually replaced by the Stahlhelm (steel helmet).
4. American Uniforms:
- Olive Drab Uniform: American soldiers wore olive drab woolen uniforms, transitioning from earlier khaki-colored uniforms.
- M1917 Helmet: The American Doughboys used the M1917 helmet, also known as the Brodie helmet, similar to the British design.
5. Russian Uniforms:
- Khaki or Gray Uniform: Russian soldiers wore khaki or gray uniforms depending on the theater of war.
- Budenovka: The iconic pointed Budenovka helmet, also known as the "winter helmet," was widely used by Russian troops.
6. Ottoman Uniforms:
- Khaki Uniform: Ottoman soldiers wore loose-fitting khaki uniforms tailored to suit the diverse climate conditions experienced in different regions.
- Fez: The red fez was a characteristic headgear worn by Ottoman soldiers.