The Thermolator 2.0 Kids Crew Neck Top is the ideal piece for all day warmth and comfort while being out in the elements. This versatile piece features an ultra-soft, midweight fabric utilizing our ClimaSense Thermoregulation Technology that automatically adjusts to your body temperature. The fabric traps air to maintain warmth when your body starts to cool down. When your aerobic activity increases and your skin temperature rises, the fabric allows moisture vapor to escape to maintain comfort. Whether skiing, mountaineering, fat biking, snowshoeing or winter running, Thermolator is functional performance at its best! The Kids Thermolator 2.0 Crew Neck Top goes perfectly with the Kids Thermolator 2.0 Pant and other pieces from the Kids Thermolator collection. Flat Seams help prevent chafing during movement Climasense fiber fusion is designed to regulate your optimal temperature Thermoregulation technology provides comfort through a wide range of temperatures UPF rated for sun protection Odor Control neutralizes sweat and odor 4-Way Stretch moves naturally with your body in all activities