The curbs widen the track, they allow to turn take the turns faster, and they provide a little extra room to make those race-winning passes! CURB IS TRACK.

SIZE GUIDE:

SEMI-FITTED TEE:  Highly popular tee known for it's semi-contoured fit, ultra soft feel, lightweight ring spun cotton, and the ability to hold up in the garage and at the track. Select the next size up if in between sizes.