100% Baby Rib cotton construction (Heather Grey contains 10% Polyester) Hooded Form-fitting Shrinkage: will shrink an average of one size when put in the dryer Fabric weight 5.8 oz/yd² (197 g/m²) Good screen printing results Made of 100% fine ring-spun combed cotton, this finer 1x1 rib knit features a comfortable stretch with excellent durability through repeated washings.