This shirt displays one of the most elegant expressions for π defined an integral.
It’s more than a number; it’s the area under a curve, the geometry of a circle written in calculus.

Product details:
• 100% cotton
• Fabric weight: 5.0–5.3 oz/yd² / 170–180 g/m²
• Taped neck and shoulders
• Double seam at sleeves and bottom hem
 
Each item is printed on demand in order to minimize waste and maximize meaning.
 
Thanks for supporting thoughtful, math-driven design.