The phrase references a specific type of apparel item available at a major retail corporation. It describes a knitted garment, typically designed for upper body wear, that incorporates the design elements of the United States national banner, and is sold through the Walmart retail chain. This product combines elements of national symbolism with accessible fashion.
The appeal of such an item often lies in its expression of patriotism, affordability, and accessibility. Historically, apparel featuring national symbols has served as a visible means of demonstrating civic pride and national identity. The availability of this apparel at a large retailer like Walmart indicates its widespread appeal and affordability to a broad consumer base.