PajamaMania Women's Short Sleeve Nylon Pajama Set 100% Nylon This fabric is very soft against the skin, almost a silky feel. It is thin and lightweight, sheer, but not see through Pajamas include a shortsleeve button down top and pants feature an elastic waistband, and full rise Shirt includes pleats in the neckline to give a great drape over the chest, and covered buttons Perfect to wear year round, or to give as a gift Sizes Run as follows: XS (0-2), Small (4-6), Medium (8-10), Large (12-14), X-Large (16-18).