OctoPi Plural Octopus 3.14 Radius Symbol T-Shirt-Art

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, OctoPi Plural Octopus Radius Symbol TShirt, Pi is the symbol used by mathematicians to represent the ratio of a circle”s circumference to its diameter is the lowercase Greek letter Pi sometimes spelled out as pi, and derived from the first letter of the Greek word perimetros, meaning circumference. Lightweight, Classic fit, Double-needle sleeve and bottom hem