Our game-changing soft flask now holds even more fluid! At 18 ounces, the new ExoDraw features an integrated hand strap for ideal running efficiency, and a rigid ExoSpine to maximize comfort as the fluid level decreases.
18oz/532mL BPA free soft flask with bite valve to keep liquids from escaping
The rigid ExoSpine creates superior hand feel and support for the soft flask
Ero-designed hand strap provides grip-free comfort, and maximizes running efficiency
Hand strap is removable, allowing soft flask to be used in Nathan hydration vest pockets
Removable neoprene sleeve offers insulation and a tactile, sweat-free grip surface
Expandable stash pocket for small items or nutrition
