4.2 oz., 100% combed and ringspun cotton; 30 singles; Ash is 99% combed ringspun cotton, 1% polyester; Athletic Heather is 90% combed ringspun cotton, 10% polyester; all other Heather/Blend colors are 52% combed ringspun cotton, 48% polyester; shoulder taping; retail fit; sideseamed; fitted sleeves ; longer body length ;