To climb high sometimes you have to get low the sundowner lr features a lumbar reservoir that shifts your load from your shoulders to your hips the result a lower center of gravity that gives you more stability and better footing on steep technical trailsthe sundowner is built to store everything you39ll need for a demanding day long hike pockets for organizing your essentials keys wallet and phone a stretch overflow compartment perfect for damp or sweaty layers and trekking pole attachments