An update to our popular soft flask handheld that started it all, this 14-ounce version features an integrated hand strap and rigid ExoSpine™ for superior comfort and efficiency.

• 14 oz /414 mL BPA-FREE soft flask with bite valve
• The rigid ExoSpine™ creates superior hand feel and support for the soft flask
• Ergo-designed hand-strap provides grip-free comfort, and maximizes running efficiency
• Soft flask can be easily removed from sleeve, and used in NATHAN hydration vest pockets
• Breathable wicking mesh under hand position provides superior grip
• Small stash pockets for gels or a key

Specs

• Storage Capacity: 8.5 cu in/0.14 Liters
• Weight With Soft Flasks: 2 oz/59 g