Nathan SpeedDraw Plus Insulated Flask, Handheld Running Water Bottle. Grip Free for Runners, Hiking etc.

The most functional and comfortable insulated Flask ever! Our new Ergological shaped SpeedDraw Flask with Fire & Ice technology allows for the most natural grip possible and easy-squeeze access to fluids. Features: 18 oz / 535 mL double-wall insulated and hi-viz reflective SpeedDraw Flask with Race Cap offers quick bursts of fluid and keeps liquids cooler longer Fully adjustable hand strap with thumbhole enables grip-free running Large, expandable, zippered pocket carries phone, keys, ID and other running essentials   Specification: Weight: 3.9 oz / 110.6 g (w/ bottle) Storage Capacity: 12.7 cu in / 0.21 Liters