Sport-Tek PosiCharge Competitor Cotton Touch Tee. ST450A soft cotton hand merges with color-locking, moisture-wicking performance in this tee that also has a matte finish., 4.7-ounce, 100% spun polyester jersey with PosiCharge technology, Soft cotton hand, Removable tag for comfort and relabeling, Dyed-to-match neck taping, Set-in sleevesDue to the nature of 100% spun polyester fabrics, special care must be taken throughout the decoration process when heat is applied for curing. We recommend a low cure ink or heat transfer not to exceed 300 during application. Consult with your decorator or materials supplier.