Nathan Pinnacle Pro 6L Hydration Vest flannel or holds its own as

or holds its own as a standalone warm-weather top

and loose Southern trail surfaces without feeling stiff

BELLOWS FLEX lets the shoe move with your foot on climbs and uneven ground

holding Patagonia's supply chain to a higher standard

Breathable mesh lining helps promote airflow for all-day comfort

Nathan Pinnacle Pro 6L Hydration Vest flannel or holds its own asBuilt for long efforts on technical terrain, the Pinnacle Pro 6L is our top pick for runners who need real carrying capacity without sacrificing fit. Nathan's Quick Fit micro adjustment system lets you dial in a locked, bounce free feel on the move. Two included 20oz soft flasks and a 2L bladder compatible back pocket mean you can hydrate your way, whatever the distance. 6L total storage across front, side pass through, and zippered back pockets