"Red piping" refers to a decorative or functional trim or embellishment on clothing or other items that is made of red fabric or thread. Full definition
Inside, special seats with red piping enhance the overall sense of style and quality. (www2.mazda.com)
For stretches here and there, the team has been known to roll out all - blue shirts, blue and white shirts with red piping, and in recent years black socks. (liverpooloffside.sbnation.com)
The cabin of the Soul continues the «Red Zone» theme with red - stitching accents on the seats and dash as well as red piping on the black - carpeted floor mats. (autoweek.com)