Rib-knit crew neck. Long sleeves. Fold-over mittens at each sleeve flip over to keep babys hands warm and protect tender skin from scratches. Genius! Reversible two-way zipper unzips from the bottom for quick diaper access. Baby changing just got so much easier (and warmer). Sewn-in feet. Soft-washed wide rib-knit cotton. Unisex baby footed one-piece is fitted through body. machine wash according to the care instruction label spandex 5% polyester 38% cotton 57% . Best Holiday gift for baby , perfect One Pieces for Christmas!