"What Don't You Understand" T-Shirt
What part of this classic Navier-Stokes equation don't you understand? Not only is this witty fluid dynamics tee a gas to wear, but it's sure to impress all those you encounter!
Color: Black
Material: 100% Preshrunk Heavyweight Cotton
Cut: Unisex
Sizes: S-XXL
How to measure: With arms down at sides, measure around the upper body, under arms and over the fullest part of the chest.
M Folz