<!--ProdInc[30127975]/Mall:[sierratradingpost_US]-->OverviewAbout Osprey Duro 6 L Hydration Running Vest - 51 oz. Reservoir, Blue Sky Closeout. Stay hydrated on the trail with Osprey''s Duro 6-liter hydration running vest, crafted from durable mesh nylon with a 51-ounce Hydraulics bladder and plenty of pockets for gear, food and soft flasks. *Durable, lightweight mesh nylon construction *Bounce-free stability *Snap-in adjustable and removable dual chest straps *Front panel zip reservoir sleeve *Direct zip access and hose path *Hydraulics 51 oz. (1.5 L) bladder with QuickConnect and sternum strap magnet for bite valve *Quick-adjust ErgoPull waistbelt *Front vest pockets hold soft flasks, food and other small accessories *Four lower stretch mesh harness pockets *Two open stretch mesh side panel pockets *Trekking pole or ice axe attachment *Adjustable side tabs *Tuckaway safety whistle *Reflective accents *Made in Vietnam