Durable super warm Power Stretch® Pro™ pants POLARTEC® Power Stretch® Pro™ is engineered to push the performance of fleece to its best. Wicking, resiliently stretchy and with enhanced durability, the Power Up Pro Pants are designed to provide comfort and durability against the elements as a thermal base layer or as stand-alone legwear. Weight - 252g POLARTEC® Power Stretch® Pro™ is a highly technical performance fabric, which offers all the thermal and quick drying properties of a lightweight fleece with added durability and stretch resilience Minimal flatlock seaming for a close and comfortable fit next to skin Montane branded wicking internal waistband with adjustable drawcord