4.5 oz./yd² (US) 7 oz./L yd (CA), 100% combed ring-spun cotton, 30 singles Heather Grey is 90/10 cotton/polyester 100% cotton thread on color White The Fine Jersey collection offers lightweight elevated basic styles, in a wide range of sizes and colors Relaxed fit Classic width, rib collar Taped neck and shoulders Rib sleeve cuffs Side seams Tear away label Responsible Supplier:  this product was made in a facility that is OEKO-TEX and FLA certified. Responsible Materials:  contains BCI cotton