This one piece thermal underwear in blue with checkered print wraps kids in head-to-toe warmth like a cozy sleeping bag they can run around in all day. The brushed polyester suit zips up with an easy asymmetric closure that makes bathroom breaks quick and getting dressed even quicker. Super soft against skin with bold graphic checks racing across the stretchy fabric that moves with every cartwheel and snow fort construction, this full-body base layer keeps the cold out during the longest winter days.