4.5 oz., 100% preshrunk cotton; Sport Grey is 90/10; Dark Heather, Heather (Irish Green & Purple) are 65/35; Deluxe 30 singles Softstyle® yarns; Mitered V-neck; Double-needle stitched sleeves and bottom hem; Sport Grey is 90/10; Dark Heather, Heather (Irish Green & Purple) are 65/35; Feminine ½" rib knit collar; Seamless collar; hemmed sleeves; sideseam construction with stylish tapered cut; Sideseamed; 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