Nathan Sports 18oz Insulated Soft Flask

The perfect companion for any walk or run so you can stay cool and hydrated. This large-capacity 18oz. soft flask fits great in front hydration vest pockets, or as an extra in the back storage or stash pocket. With the bite top, you can make sure that you have control of where your water or liquids go – straight into your mouth and not dripping out the top. The best big-time insulation for a big-time thirst!

• Insulated properties keep fluids cooler 38% longer than non-insulated soft flasks,Bite valve keeps liquid from escaping,Works great with ALL NATHAN® hydration vests,Capacity: 18oz / 532mL

Estimated to ship in 5-7 business days.