The New Pack Speed Cap has a barely-there feel and updated fit now featuring a 5-panel silhouette. This ultimate packable running cap has UPF 50 sun protection and enhanced airflow for hot summer days. When you’re done, pack it in your pocket for easy stowage.

Featherlight and built for the heat, this cap disappears in your pack but delivers on the trail.Buff says:Our ultralight Pack Speed Cap, now with improved performance features and an updated athletic aesthetic. T