Mountain Vest 6.0 More capacity for long days in the mountains. Our Mountain Vest 6.0 boasts 13.5L of storage volume featuring a rear weather resistant main pocket with clamshell opening and large rear compartment spacious enough for a 2L reservoir. Rear zippered lat pockets are accessible while running. On the front of the body, users will enjoy several pockets, including a zippered weather resistant pocket for a phone. Also, pockets for two (included) Body Bottle 500's. Features: Comfort Cinch has been upgraded with High Molecular Weight Polyethylene 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 6 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. Zippered rear lat pockets are accessible while the vest is being worn. Weather resistant main pocket with zippered clamshell opening and smaller internal zippered pocket for more organization. Two weather resistant shoulder stash pocket for pills and other small items. Specifications: Volume: 13.4 L / 817 in3 Weight: 8.11 oz / 230g Torso Size (MD): 30-39" / 76-99 cm Dimensions (L x W x H): 16" x 11.7" x 5" / 40.6 x 29.8 x 40.6 cm No. of Exterior Pockets: 13 Reflectivity: Yes Reservoir Compatible: Yes Materials: Primary/Body: 100% silicone coated nylon Secondary: 82% nylon 12% spandex Ultimate Direction Men's Running Mountain Vest 6.0