Nathan Pinnacle 18oz Insulated Soft Flask

The Nathan Pinnacle 18 oz. insulated soft flask handheld features Nathan's advanced Exo-Draw soft flask technology in an updated carrier and grip-free strap for unmatched comfort. An expandable pocket holds keys and essentials; ideal for marathons, trail runs, hikes, climbs, and more.  Details 18oz / 535 mL BPA-FREE Insulated Soft Flask with bite valve, keeps fluid cooler longer. Soft flask can be easily removed from sleeve. Proprietary soft flask interior w/ 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. Weight With soft flask: 3.35 oz/95 g. Storage Capacity: 15.25 cu in/0.25 Liters