The minimalist, ultra-light Buff® Running Hat packs down small so you can stash it in your pocket or pack for running, hiking or sightseeing. It’s breathable and quick-drying – great for hot and humid weather or even drizzle – and the foldable brim keeps sun and rain off your face. Designed to sit comfortably close to your head and you can snug or loosen the fit using the integrated drawstring.