The Ciele FSTCap SC Classic C Side Hat is a rugged low profile running hat designed to go the distance with durable design that is also breathable. The cap features a robust frame for structure and offers UPF+ 40 protection from the sun. Ciele's COOLmatic | PLUS mesh is found in this hat to provide order resistance and breathability. Reflective detailing is added on the front and back for visibility during low light hours.