5.0 oz., 100% combed ringspun cotton 1x1 baby rib,Heather is 88/12 combed ringspun cotton/polyester,White is sewn with 100% cotton thread,FProductlock stitched seams,3/4" double needle covered elastic waistband,Ribbed leg cuffs,Side seams,CPSIA compliant tracking label in side seam,EasyTear� label