The Physics is Theoretical but the Fun is Real T-shirt-TH

Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 65% Cotton, 35% Polyester, Imported, Machine wash cold with like colors, dry low heat, Available in mens and womens sizes, Relaxed fit tees that are comfy and true to size, Math is fun, so math jokes are extra fun right. Well, maybe not always, but what is not theoretical is a fun-loving math geek!, Lightweight, Classic fit, Double-needle sleeve and bottom hem