SHA-256 is one of the strongest hash functions available and is the engine behind the most disruptive technologies in the cypherpunk movement.

All tees are printed and assembled in the US, Sweatshop-free. 

Features: Sideseamed. Retail fit. Unisex sizing. Shoulder taping.

Fabrication:
Solid Colors: 100% combed and ring-spun cotton, 30 single 4.2 oz. (Ash - 99% combed and ring-spun cotton 1% poly)
Heather CVC/Blend Colors: 52% combed and ring-spun cotton 48% poly (Ath. Heather - 90% combed and ring-spun cotton 10% poly)
Black Heather CVC: 90% combed and ring-spun cotton 10% poly