Calling all the D-backs fans! Gear up for an ultimate game-day experience with the Pro Standard DIAMONDBACKS MASH UP M SJ TEE. Crafted with soft, stretchy fabrics, this short-sleeved T-shirt offers all-day comfort through every chant and thrilling game moment. Whether you're cheering through a nail-biting finish or celebrating a big win, the Pro Standard DIAMONDBACKS MASH UP M SJ TEE keeps you looking sharp and feeling great from start to finish.