5.6 oz., preshrunk 100% combed ringspun cotton; 30 singles; 1×1 baby rib; Heather Grey is 90% combed ringspun cotton, 10% polyester; semi-fitted contoured silhouette with sideseams; features a TearAway label; double-needle bottom hem; Oeko-Tex® Standard 100 Certified; bound-on 1×1 rib trim neck and armhole;