13.1 Short Sleeve TeeYou trained hard and you finished 13. 1. This classic jersey short sleeve tee fits like a well loved favorite. Soft cotton and quality print make users fall in love with it over and over again. These t shirts have ribbed knit collars to bolster shaping. The shoulders have taping for better fit over time. Dual side seams hold the garment's shape for longer. .: 100% Airlume combed and ringspun cotton (fiber content may vary for different colors) .: