bSoft Bamboo Knit Cambridge Damask Blue Shortsleeve Pajama (Lrg) 30% cotton 70% Bamboo Rayon / 30% Cotton This lightweight bamboo pajama is great for any time of year! Top includes a elastic band under bodice for extra support and comfort. Pants include elastic waistband with drawstring. Sizes: Small (2-4), Medium (6-8), Large (8-10), X-Large(12-14)