6 oz., 65% polyester, 35% USA cotton double pique'; DryBlend� technology delivers moisture-wicking properties; Made with 35% sustainable and fairly grown USA cotton; Sideseamed ; Contoured welt collar; Double-needle sleeve and bottom hem; Clean-finished placket with reinforced bottom box; three dyed-to-match buttons; 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