Pi is a never-ending number, so this is a very small slice. A punny gift for the pi fan you know, white sweatshirt is 50/50 cotton blend, T-shirt is preshrunk 100% cotton. Sizes S–3XL. Imported.
A Slice of Pi T-Shirt or Sweatshirt
A Slice of Pi T-Shirt or Sweatshirt
Starting at $21.95