Nathan | Pinnacle Insulated Soft Flask | 18oz | Black/Reflective Silver Size:18 oz while the distinctive tie dye

while the distinctive tie dye pattern ensures you'll stand out from the crowd

The adjustable 18"-20" chain ensures a perfect fit

Button-through flap pockets and an open collar

Clean hem finish with adjustable Coahesive system

Nathan | Pinnacle Insulated Soft Flask | 18oz | Black/Reflective Silver Size:18 oz while the distinctive tie dyeMORE 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