Breaking Bumps And Arm Pump

Hit the track in style with the ‘Breaking Bumps and Arm Pump’ tee from Knobby Tread Co.! Featuring a bold dirt bike graphic and rugged typography, this shirt is made for riders who push through the roughest terrain. Comfortable, durable, and built for those who live wide open!
4.2 oz., 52% airlume combed and ringspun cotton, 48% polyester,
Heather Prism Colors are 99% Airlume combed and ring-spun cotton, 1% polyester
Heather Athletic, Heather Black, and Heather Prism Blue are 90% airlume combed and ring-spun cotton, 10% polyester
Shoulder taping
Side-seamed
Pre-shrunk
Retail fit
Tear away label