4.2 Oz 100% Combed And Ringspun Cotton 30 Singles Ash Is 99/1 Combed Ringspun Cotton/Poly Athletic Heather Is 90/10 Combed Ringspun Cotton/Poly All Other Heather Colors Are 52% Combed And Ringspun Cotton 48% Polyester Triblends - 50% Poly 25% Combed Ringspun Cotton 25% Rayon 40 Singles 3.8 Oz. Retail Fit Sideseamed Ribbed Cuffs