This Gerber cotton short unionsuit pajama keeps warm-weather bedtime simple with short sleeves, short legs, and a 2-way zipper that opens from the top or bottom. The 97% cotton and 3% spandex 1x1 rib knit has built-in stretch for movement. Available in sizes 0/3M, 3/6M, 6/9M, 12M, 18M, 24M. Blue and slate horizontal stripes. OEKO-TEX® STANDARD 100 certified and machine washable.