Streamline your running in the Ciele FSTCap SC Field SL hat. This lightweight, low profile running cap features a five-panel design constructed with COOLmatic | PLUS FLOWmesh in the top and side panels for maximum ventilation and breathability. The shorter, pre-curved brim incorporates SOFTcurved technology for easy packability when not in use and ROCstop fabric throughout the design provides maximum durability. For sun protection, the front and back panels provide UPF +40 protection on hot, sunny days, while reflective elements enhance visibility in low-light conditions.