Helly Hansen Aspire Norviz Women's Running Tights X-Cool Quick-dry Fabric - Wicks away excess moisture keeping you dry and comfortable. Stretchy Fabric - Supportive main stretch fabric. Mesh Panels - Quick-dry mesh at the back of knee provides ventilation. Ergonomically Placed Seams - And panels provide maximum movement. Zipped Pocket - Zipped sweat proof back pocket for your electronics or keys.