USA Flex/Relax Slacks"These colors don't run," but in these Buffery USA Flex Slacks you could run. Our signature Flex Slacks in their Second Skin silhouette are accented by a bold red, white, and blue stripe from hip to ankle tracing your quad sweep. They're also available in the Relax fit. The red, white, and blue color scheme began to represent the United States in 1777. The red symbolizes hardiness and valor, white symbolizes purity and innocence, and blue represents