Ciele® FSTCapSC Classic AthleticsSL Running Hat: Keep your runs cool, comfy, and dialed in with the Ciele FSTCapSC Classic AthleticsSL Running Hat. You get a low-profile fit with quick adjustability plus a GOCap-inspired brim for that familiar, runner-loved shape. COOLmatic and MIKRAmesh on the top panels boost ventilation, wick sweat fast, and fight odor, while the durable Xstop ripstop fabric delivers UPF 40 protection. Finished with a reflective logo and SOFTcurved brim for zero pressure points and smooth performance.