Have a Day of Prime rocking this awesome navy blue, sparkling starry-sky themed constellations shirt filled with every set of twin prime numbers between 1 and 100! Twin primes are pairs of prime numbers that differ by 2. Soft, comfortable cotton spandex gives this polo just enough stretch, with a single left breast pocket and button closure.

• 95% cotton, 5% spandex
• Single left-side breast pocket
• Polo collar with 3-button closure