It's all about them nodes.

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