Succinctly, pi—which is written as the Greek letter for p, or π—is the ratio of the circumference of any circle to the diameter of that circle. Regardless of the circle's size, this ratio will always equal pi. In decimal form, the value of pi is approximately 3.14.

Dad hats aren't just for dads. This one's got a low profile with an adjustable strap and curved visor.

• 100% chino cotton twill
• Green Camo color is 35% chino cotton twill, 65% polyester
• Unstructured, 6-panel, low-profile
• 6 embroidered eyelets
• 3 ⅛” (7.6 cm) crown
• Adjustable strap with antique buckle
• Blank product sourced from Vietnam or Bangladesh

This product is made especially for you as soon as you place an order, which is why it takes us a bit longer to deliver it to you. Making products on demand instead of in bulk helps reduce overproduction, so thank you for making thoughtful purchasing decisions!

Size guide