Arm Pump - Men's T-shirt

The Defined Collection puts the language of dirt bike life front and center. Each tee features a clean, dictionary-inspired graphic that defines the words, moments, and experiences every rider knows.

arm pump
/ärm pəmp/ noun

The painful tightening of a rider’s forearms caused by gripping the handlebars through rough terrain—making the controls feel heavier with every lap and refusing to ease up until the ride is over.