- Made with a lightweight, quick-drying performance fabric, this cap is a perfect running cap. With a moisture-wicking and ultra-soft internal sweatband, this technical design shields eyes and keeps the wearer dry during exercise. Lightweight 75D polyester is combined with laser-cut ventilation for enhanced breathability and comfort. A stretch-webbing adjuster with a low-profile clip closure keeps the silhouette streamlined for a sleek finish.