Sport-Tek PosiCharge Competitor Cotton Touch Tee. A 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 sleeves Due to the nature of 100% spun polyester fabrics, special care must be taken throughout the decoration process when heat is applied for curing.