Home › American Muscle Kids Sale American Muscle Kids Kids American Muscle T-Shirt, Ash Heather Cotton/Poly blend. Preshrunk. Cool Dragstrip Tree graphic on the front, and the famous NMRA/NMCA Circle logo under the back collar. Youth XS - $ 5.00 Youth S - $ 5.00 Youth M - $ 5.00 Youth L - $ 5.00 $ 15.00 Share 0 Tweet 0 Pin it 0