The kids power play is a lighweight super soft and comfortable set great for all ages. It is fast drying, wicking and will keep your little one warm all day long. Features ClimaSense Carbon Thermoregulation Technology Fast wicking and drying Natural breathability Engineered to adjust to your body temperature Inhibits the growth of bacteria that causes odor Natural Breathability Excellent warmth without weight Ultra lightweight (2.0) fabric 100% Polyester