Get ready for lift off and keep comfy on out-of-this-world adventures. Made for mini explorers from naturally-soft cotton, it's perfect for layering over shorts and joggers.Responsibly sourced cottonRibbed neck with covered back-neck seam to prevent irritationSpace prints, applique and embroidery (all embroideries are fabric-backed to prevent irritation)Popper fastening for easy dressing (sizes up to and including 12-18 months)