J. Crew Mercantile matching pajama set in Medium. The fabric is 100% lightweight cotton. The bottom pajama pants have an elastic waist and drawstring (these don't have pockets). The top is long sleeve with a chest pocket. This pajama set is a shade of light blue (hydrangea I believe was the exact color), and has navy blue piping trim. pajama pants: inseam 30 waist left to right 16 leg opening 9 pajama top: underarm to underarm 21 shoulder to bottom 25