Our Review - Ultimate Direction Adventure Vest 6: The Ultimate Direction Adventure Vest 6 is the latest version of the larger capacity trail pack from Ultimate Direction with a very usable 17L capacity that allows you to carry all the essentials you need to longer outings. Update this season are the Comfort Cinch with a new High Molecular Weight Polyethelyne cord for extra strength and air mesh panel to prevent chaffing.  A zippered water resistant phone pocket at front chest. Additionally, the overall shape of the pack has been upgraded to wrap completely around the body for an even more secure vest-like fit. Specifications - Ultimate Direction Adventure Vest 6: Comfort Cinch™ has been upgraded with High Molecular Weight Polyethelyne cord for extra strength and air mesh panel to prevent chaffing Zippered water-resistant phone pocket at front chest. Shape has been upgraded to wrap completely around the body for a more secure vest-like fit. Comes with 4 hooks and bungee loops to attach trekking poles. These loops can be attached at the front or back of the vest for customizable trekking pole carry options. Large rear compartment to accommodate up to a 2.0L reservoir Front buckle sternum straps with sliding rail adjustments. All external back pockets are accessible while the vest is being worn including an upper water resistant pocket, waterproof lower pocket with left and right size zippered entries, and small waterproof stash pocket. Waterproof main pocket with zippered clamshell opening. One waterproof and one water resistant shoulder stash pocket. PLB pockets for GPS locator devices One front bottle pocket and one zippered multipurpose pocket capable of fitting a bottle. Two zippered front lat pockets FABRIC - 100% silicone coated nylon, 82% nylon 12% spandex Ultimate Direction Adventure Vest 6