What Our Gearhead(R) Experts Are Saying:"This cap is my go-to for high-output activities. The lightweight design and mesh side panels keep me cool whether I'm running, biking, or climbing. The short brim gives me just enough shade without getting in the way, and it fits perfectly under a helmet. Plus, the reflective rainbow logos add a nice touch for visibility. Whether I'm on the move or packing light for a trip, this cap is always with me."The 5-Panel Synthetic Cap from Black Diamond is built for movement, delivering breathable comfort and packable versatility for active days outside. Whether we're biking across town, running a new trail, or climbing into the late afternoon, this cap keeps us covered without weighing us down. The lightweight polyester fabric and mesh side panels enhance airflow, while the short brim provides just enough shade without interfering with visibility. Designed for adventure, this cap features a rear buckle adjustment for a secure fit and reflective rainbow logos for added visibility in low light. Its flexible, packable construction makes it easy to stash in a pocket or pack when we're on the go, ensuring we're always ready for the next pursuit.