Nathan QuickStart 2.0 4 Liter Hydration Pack - NS30270-60054

The essential Quickstart 2.0 4 Liter Hydration Pack with one main back & one small storage pocket at back designed for the short to moderate road and trail running & hiking. - Unisex One size fits most - Adjustable sternum straps - Moisture wicking stretch woven fabric with chafe free binding materials - Breathable mesh shoulder straps - 1.5 L Hydration Bladder Included - One main zipper pocket on the back with additional smaller pocket - Bottle pocket on the front for additional hydration - Zippered phone pocket on the front - Reflective hits for 360 degree visibility - 60% Nylon, 40% Polyester - Storage Capacity: 244 cu in/4 L