Custom long sleeve tees are a year-round staple — perfect for cooler weather, layering under jackets, or when your team needs a little more coverage on the job. American Casual stocks long sleeve styles from trusted brands like Gildan, Next Level Apparel, Bayside, and Port & Company, available in a variety of weights and fits. Add your logo or design via screen printing, embroidery, or digital print — all done in-house at our Anaheim facility. Whether it's 24 shirts or 2,400, we've got the capacity to deliver on time.