An update to Nathan's 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
• GRIP-FREE - Ergo-designed hand-strap provides grip-free comfort, and maximizes running efficiency
• EASY HYDRATION - Soft flask can be easily removed from sleeve, and used in NATHAN hydration vest pockets
• Breathable wicking mesh under hand position provides superior grip
• IDEAL - Perfect for Marathons, Trail Running, Hiking, Cycling, Climbing & Outdoor Enthusiasts!
• SIMPLE STORAGE - Small stash pockets for gels, keys, wallet &more

Specs

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