Chicago Bears Pet Performance Tee Shirt Size S Your pet will go all-pro with the Performance Tee. This moisture-wicking polyester Tee-shirt sports a colorful back with team helmet graphics. The front and sleeves are team color. The stretch fabric makes it easy to pull on or off your pet. Stretch polyester knit. Full color print back, team wordmark on front. Contrast collar and sleeves. Woven jock tag. Made by Little Earth. Everything for the Sports Addict!