The FSTCapSC Classic Cside in Crimson is a lightweight, fast-drying running cap made with COOLmatic® PLUS fabric and Repreve® recycled performance fibers, offering UPF 40+ protection on the brim and front panel. It features a shorter, pliable pre-curved SOFTcurved brim for easy packability, a fast-fit low-crown design, reflective details for night visibility, and an adjustable 56.5 cm fit—all at just 48 grams. Machine washable and backed by the ciele athletics™ Million Miles Guarantee, it’s crafted from recycled materials to deliver comfort, performance, and sustainability for runners.