RBX Active Boy's Short Sleeve Performance T-Shirt with Graphic 100% Polyester Crewneck tee shirt design Chafe resistant flatlock seaming Made with sweat-wicking stretch fabric for a tight and comfortable fit and locked-in feel during intense competition X-DRI technology to wick sweat away and help keep you dry and comfortable Fashion Inseam print leggings for all outfits through all types of activities.