Madewell Waffle Knit Union Suit One-Piece Pajamas Women's Small Beautiful Blue/Purple color. 100% Cotton Excellent Condition! $110 Retail Approx. Flat-Lay Measurements: Pit to PIt: 20" Pit to end of sleeve: 19" Full Length: 54" Inseam: 27" New to our get-comfy lineup, this button-front pajama one-piece is made of a superlight and cozy waffle knit fabric. Easy and relaxed, it has soft ribbed cuffs and pockets for stashing your phone or blue-light glasses. Relaxed fit.