The Ciele running company. They've been doing this for a decade and the GOcap SC Field stays true to their original that set the standard. 

Featuring a clean look with their pre formed eva SOFTcurve brim, ROCstop ripstop brings durability, structure and UPF protection to the front, sidebar and back, while the top, sides and sweatband utilizes COOLmatic | PLUS knit FLOWmesh, which helps keep your head cool, manages odor, and enhances breathability. Available in vibrant fluo colors, it ensures you stand out with maximum visibility and a bold pop.