Square Root 6400 Years Old Long Sleeve – Funny 80th Birthday-TH

Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 50% Cotton, 50% Polyester, Imported, Machine wash cold with like colors, dry low heat, If your mom, dad, grandpa or grandma really enjoys maths, science or engineering, surprise them with this simple maths problem shirt. Perfect for someone turning 80, our square root 6400 years old long sleeve tee is ideal for a math loving friend. These tees sometimes run small, so please consider sizing up for a looser fit. Science, technology, engineering or maths fans will like this shirt. Lightweight, Classic fit, Double-needle sleeve and bottom hem