8.4 oz/SqYd, 80% ringspun US cotton, 20% polyester ; 2-end ringspun cotton face fleece ; Made with 80% sustainably and fairly grown USA cotton; RS Sport Grey: 75% ringspun cotton, 25% polyester;1x1 rib with spandex cuffs and bottom band for enhanced stretch and recovery ; Dropped shoulder ; Double-needle topstitching throughout ; Classic fit tubular body ; Tear away label; Gildan's manufacturing process utilizes 45% renewable energy; Gildan’s Community Investment Program supports education, the environment, humanitarian aid and active living in the communities we do business in;