30 single, 4.3 oz 100% Combed Ringspun CottonHeathers are 80/20 Cotton Poly Athletic Heather is 85/15 Cotton/ ViscoseSoft WashedUltra Soft Hand, Tightly Knit, Superior PrintabilitySide SeamedLabel: Tear AwayWRAP Certified. Learn more about the commitment of Cotton Heritage to ethical sourcing and manufacturing here.