Recently added item(s) ×
You have no items in your shopping cart.
Clever math shirts are like a chick magnet.
*All measurements are one side of the shirt only.
**Our regular shirts are 100% super soft pre-shrunk cotton (heather grey is 10% poly). Our Thursday limited edition tri blends are made of a crazy soft cotton / poly / rayon blend.
* Required Fields
Hedgehogs Can't Share
Pi Be Rational
Are You Positive?
Technically, The Glass Is Always Full
Never Trust An Atom, They Make Up Everything
Forget Lab Safety