6.1 oz./yd² (US), 10 oz/L yd (CA), 100% ring spun cotton, 20 singles Garment dyed for that lived in feel and almost no shrinkage at home. Soft ring spun cotton fabric with 100% cotton threads Relaxed fit Topstitched, classic width, collar Twill taped neck and shoulders for comfort and durability Rib cuffs Shoulder to shoulder twill tape Signature twill label Made With Respect. Proud member of the U.S. Cotton Trust Protocol