Nathan Pinnacle Insulated Soft Flask - 18oz

18oz/532mL BPA-FREE Insulated Soft Flask with bite valve, keeps fluid cooler longer Proprietary soft flask interior rigid ExoSpine™ creates superior hand feel and support Ergonomically designed hand strap for grip-free comfort Breathable wicking mesh strap for maximum comfort Small expandable stash pockets for gels, keys and other small essentials Soft flask can be easily removed from sleeve Weight with soft flask: 3.35oz/95g Storage Capacity: 15.25cu in/0.25L