Triple layers of advanced acrylics, polypropolene and polyester yarns create superior cooling. Moisture wicking properties, box weave design, vented spine. Ideal for day, travel and after wash down, double chest strap, cross over surcingles and fillet string.BreathableUse all year roundIdeal for layeringShaped to bodyChill preventionMoisture wickingStretch fabricUse day or nightRegulates temperatureTechnically advanced fabric