Nathan Pinnacle 18oz Soft Flask

It boasts an expandable pocket for keys and essentials, ideal for marathons, trail runs, hikes, climbs, and more. With an insulated flask, keep fluids cooler, longer.

GRIP FREE
Lightweight, ergonomic mesh strap contours to your hand for a comfortable, no-grip fit.

EXPANDABLE HYDRATION
The 3-D soft flask bottom optimizes storage and minimizes size, collapsing as you hydrate for easy handling and storage.

QUICK STORAGE
The small, wrap-around pocket with an elastic opening easily stores essentials like keys or nutrition.

• 18oz / 535 mL BPA-FREE Insulated Soft Flask with bite valve, keeps fluid cooler longer
• Proprietary soft flask interior 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
• Soft flask can be easily removed from sleeve
• Weight with soft flask: 3.35 oz/95 g
• Storage Capacity: 15.25 cu in/0.25 Liters