- 100% comfortSoft cotton
- Double-needle stitching throughout
- Coverseamed neck with lay flat collar
- Tag-free neck label
- Shoulder-to-shoulder tape
- Comfortable rib knit cuffs
- Sport Grey is 99% cotton, 1% polyester; Light Steel is 90% cotton, 10% polyester
The 31st Field Artillery Regiment is a field artillery regiment of the United States Army, first Constituted in 1918 in the National Army (USA).