Sherpa has designed an affordable thermal guaranteed to keep your winter holiday complaint free! Sherpa Kid's long sleeve thermal top is made from ultra soft polypro that provides outstanding insulation & breathability and will work to retain natural body heat for superior warmth. Polypro is a lightweight, affordable thermal option that never compensates in quality and warmth and will last the test of time. It will not absorb moisture, keeping you dry and protecting your skin for rubbing and abrasion making it easy to keep fresh for multi day users. Featuring quick dry properties and providing snug warmth and comfort without the weight our polypro range is the perfect option for overnight hikes and tramping in the outdoors or for general winter comfort around the house.