Sport-Tek Women's Athletic Lightweight Competitor T-Shirt ( Pack of 5 ) 100% Polyester LST350 Sport-Tek T-Shirt Pack Of 5 Tees. Our Lightweight, Value-Priced Competitor Tee Has A Roomy, Athletic Cut And Controls Sweat Like A Champ Improved With Posicharge Technology. It Also Locks In Color For Logos That Won'T Fade.