8 oz., 50% cotton, 50% polyester; Oxford is 49% cotton; 51% polyester; Made with sustainably sourced USA grown cotton; High-stitch density for a smooth printing canvas; 1×1 ribbed collar, cuffs and waistband with spandex; Double-needle coverseaming on neck, armholes and waistband; Seamless body; Concealed seam on cuffs; CPSIA compliant; Jerzees styles are manufactured using sustainable protocols which are measured and reported annually by Fruit of the Loom, Inc.; Jerzees styles are manufactured with the commitment to enriching lives for people and communities which is measured and reported annually by Fruit of the Loom, Inc.;