's HH®Active is an advanced-construction   combining Lifa® Stay Dry technology and fast wicking fibers, making it ideal as an all year activity . Staying dry is important in order to stay comfortable. This    features lightweight insulation, Lifa® Flow technology that enables maximum moisture management, 2-layer construction with Lifa® fibers inside and wicking technical fibers outside and flat lock seams for maximum comfort. 65% polyester, 35% polypropylene, machine wash, do not tumble dry.