COMFORTABLY WARMLightweight layering for kids is the reason Terramar makes the Power Play two piece set. For all their active cold weather endeavors it is the perfect top and bottom. The brushed surface on the inside traps air for warmth and allows airflow for breathability. Send them out with confidence! FEATURESThe brushed fabric traps air and allows breathabilityWickingQuick drying-aHigh warmth to weight ratioLightweight (1.0) warmth makes Power Play extremely versatileUPF rating 25+Flatlock seams throughout