The Pinnacle Soft Flask Insulated 18oz Handheld features Nathan's advanced Exo-Draw soft flask technology in an updated carrier and grip-free strap for unmatched comfort. 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.