Nathan | Pinnacle Insulated Soft Flask | 18oz | Finish Lime/Reflective Silver SKort Supercritical Foam midsole provides lightweight

Supercritical Foam midsole provides lightweight and responsive cushioning

breathable mesh upper with printed overlays secures the foot over the platform

Spend the day under the sun with the Hallie Sun shirt

Crafted with a propulsive carbon fiber plate and engineered to meet the rigorous standards of World Athletics

Nathan | Pinnacle Insulated Soft Flask | 18oz | Finish Lime/Reflective Silver SKort Supercritical Foam midsole provides lightweightMORE COLORS The Pinnacle Soft Flask Insulated 18oz Handheld is built for runners, hikers, and outdoor athletes who need effortless hydration on the go. Featuring Nathan's advanced Exo Draw soft flask technology, this handheld system provides a comfortable, grip free experience, allowing you to focus on your performance. Designed for longer lasting refreshment, the insulated 18oz soft flask keeps fluids cooler for extended periods, making it perfect