Love Pi Math Shirts Ugly Christmas Sweater Style Nerds geeks-T-Shirt

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, Funny Ugly Christmas Sweater Style tee shirts design for youth, kids, boys, girls, teens, women and men. For a more loose fit, please pick a size up. Cool and funny math themed gifts for math teachers, a math lover friend, math nerds on christmas 2017 and new year 2018. Christmas Pi tree math tshirts. The design will works all year round or any special occasions party. Lightweight, Classic fit, Double-needle sleeve and bottom hem