bSoft Bamboo Knit Cambridge Damask Long Sleeve ankle length Pajamas 30% cotton bSoft Knit is a very soft, lightweight jersey knit that has about 20% stretch across the grain This material is 70% rayon made from bamboo and 30% cotton Long Sleeve Classic button up pajama top features 2 front pokets and a great feel against the skin. Roomy cropped pant has an elastic drawstring waistband for custom fit. Sizing Information: Small (6-8), Medium (8-10), Large (12-14), XL (14-16)