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Osprey Manta 20 THE MANTA SERIES brings Osprey’s Hydraulics™ solutions to a multisport pack. Utilizing our HydraLock™ system, these packs offer great features for adventure oriented pursuits. Osprey carry and torso-specific fit help you focus on the adventure and not on what’s on your back. Shared Features • Top zippered pocket • Helmet attachment daisy • Front stretch woven pocket • Upper side compression straps • Integrated rain cover • Ventilative mesh backpanel • Stow on the Go™ trekking pole attachment • Zippered fabric hipbelt pockets • Safety blinker patch • Full elastic stretch sternum strap • Magnetic sternum buckle • 3-Liter reservoir included BioStretch™ Harness • Built-in magnet for quick bite-valve attachment AirSpeed™ Suspension • Mesh backpanel supported by LightWire™ frame with side vents and ridge foam backing • Stretch sternum strap with magnetic hose attachment • Lightweight webbing BioStretch™ Built-in Hipbelt • Mesh covered, perforated hipbelt • Modified straight ErgoPull™ hipbelt closure