's in Athletic Grey Melange will make sleep training easier in a cute and comfortable pajama, featuring and an arctic animals design. These baby pajamas are made from eco-friendly 100% organic cotton and are made to be snug fitting. Features a full-length zipper closure with an inside zipper guard, a snap tab at neckline, contrast neckband and cuff and gusset at the inseam. 100% organic cotton, machine washable.