Product details:

The ultimate trail and ultra running hydration vest, the HPL 020 helps user go farther more easily. 3-way Propulsion Harness minimizes bounce, while its superior construction reduces chafing and will not damage technical apparel 2 litre Hydration Bladder with a Slide seal top closure and bite valve light weight, breathable Wall Mesh with soft perimeter binding for cooling comfort. Dual front Power Stretch Mesh pockets - one with zipper closure Shock Cord with one-pull tension lock for jacket or gloves. Vertically adjustable sternum strap with tube clip 2 zippered rear compartment. Adjustable fit - one size fits all Pack. Weight: 14.4 oz.