Solid colors are made from 100% Airlume combed and ring-spun cotton; 32 singles, fabric is midweight 4.2 oz/yd² (142.40 g/m²). Athletic Heather is made from 90% Airlume combed and ring-spun cotton and 10% poly. Triblend colors are made from 50% poly, 25% Airlume combed and ring-spun cotton and 25% rayon; 40 singles, fabric is lightweight 3.8 oz/yd² (90.07 g/m²). Disclaimer: Screen color images are only intended to be a guide. While we do our best to display color accuracy of our Gifts + Gear, due to various monitors and smartphones screen differences as well as manufacturing processes, the product color you see online may not be exactly what you receive. Sourced from and assembled in Nicaragua, Honduras, Guatemala, or the US. 100% No Sweatshops and Eco-Friendly!