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Osprey Duro 6 Mens Hydration Vest - Gray Medium. Osprey Duro Mens Running Hydration vestpack features room for extra layers water and fuel for big days on the trail. Typical kit contents that the Duro will carry: water keys energy gels food & pills phone gloves hat headlamp extra layers socks gloves & hat GPS meal jacket rain gear. Includes 1.5-liter reservoir.Bounce-free stability
Smart-pocketing keeps essentials within easy reach
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