Solid colors: 100% Cotton; Heather Grey: 90% Cotton . 10% Polyester; All Other Heathers: 50% Cotton . 50% Polyester
Machine wash cold with like colors . dry low heat
13th years old birthday math square root Shirt perfect gifts for math .physics .science teacher student birhday shirt. Funny math geek 13th birthday . 13 years old shirt boys girls.
Birthday gift for physics .science .math lover shirt for science .math teacher son .daughter T-shirt from science Dad .mom .brother .sister
Lightweight . Classic fit . Double-needle sleeve and bottom hem