1977 40th Years Old Square Root Math Birthday Gift Tee-Shirt-FL

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, Do you know a math geek who”s born in the year of 1977 and in the 70s and is turning 40 years old in the year 2017. Then this funny Straight Outta 1977 40th birthday tshirt is the perfect birthday gift for any maths ninja if they”re born in the seventies!, Celebrate the 40th birthday party of your mom, dad, uncle, aunt, wife, husband or friend with this great 1977 40th math nerd birthday gag tshirt! This funny math shirt for women or men is a great math novelty gift for Christmas or any special occasion. Lightweight, Classic fit, Double-needle sleeve and bottom hem