Osprey Duro 6 With Reservoir color:Phantom Grey/Toffee Orange the TX4 is designed for

the TX4 is designed for long approaches on rugged terrain

Regular mummy: 3 inches

1 mesh ceiling

Regular mummy: 8

External hydration reservoir sleeve

Osprey Duro 6 With Reservoir color:Phantom Grey/Toffee Orange the TX4 is designed forHeading out for a long run? Not sure about the weather, or your ability to navigate and get home before dark? When you need to bring a few extra pieces of kit with you, or if you're going fast and light, the Duro 6 accommodates just enough fuel and gear to get you there and backno matter how far "there" may be. With ample room for long runs requiring extra layers or gear, thoughtful and accessible storage for fuel and other small items, a Hydraulics