The 50% cotton 50% polyester Captain America C for Captain Kids T-Shirt does a couple of things on a couple of levels. First stage is that it helps the littl'lins learn the alphabet and that's always cool. Second level involves invoking the mighty essence of Marvel's Super Soldier while the final aspect of this shirt just keeps the Red Skull away...who I think is the one who is always taking all of the toys out and not putting them away. I guess the Captain America C for Captain Kids T-Shirt explains quite a few things!