Custom T-shirts are one of the most effective ways to promote a brand, unify a team, or create merch people actually want to wear. This guide walks you through everything—from choosing the right blank tee to picking the best printing method—so your finished shirts look professional and last. Step 1: Choose the Right Blank T-Shirt Every great custom tee starts with the right blank. The fabric, weight, and fit will affect how your design prints, how the shirt feels, and how often pe …