Four t-shirts with the words American Made shown on the chest ... to help rebuild and grow domestic clothing manufacturing.

Walmart WMT0.87%increase; green up pointing triangle aisles are piled high with goods this holiday season, but one item sticks out: cotton T-shirts that were made in America and cost $12.98.

American Giant invested in machinery and made design changes to produce inexpensive T-shirts for Walmart.

“We were particularly amazed by the response to this latest launch of American-Made tees. There seems to be ... electronics, clothes, and other goods, aren’t readily available, completely ...