Sport-Tek Sleeveless PosiCharge Competitor Tee. The same sweat-wicking, breathable Competitor tees with greater freedom of movement. Color-protecting PosiCharge technology offers exceptional bleed resistance. 3.8-ounce, 100% polyester interlock with PosiCharge technology Removable tag for comfort and relabeling Given the extreme heat required for sublimation, please consult with your decorator. It is highly recommended to sample test product by color before production.