18oz Insulated Soft Flask w/Bite Top

Product Information

When you're out on the trails or pounding the pavement, staying hydrated is crucial, and this 18oz Insulated Soft Flask from Nathan makes it easy. What sets it apart is the insulation, which keeps your liquids cooler for significantly longer than standard flasks. It's designed to be effortlessly integrated into your existing hydration vest setup.

The flask features a smart bite valve that seals itself, preventing leaks while allowing for a high flow of liquid when you need it most. Plus, the integrated ExoSpine provides structure and support, making it comfortable to hold and easy to handle even as the contents decrease.

Features

• Insulated properties keep fluids cooler 38% longer than non-insulated soft flasks.
• Self-sealing bite valve prevents leaks and allows for a high flow rate.
• Integrated ExoSpine provides structural support and improves hand feel.
• Compatible with all Nathan hydration vests.
• BPA-free and PVC-free materials.

Specs

• Capacity: 18 ounces (535 mL)
• Materials: Soft plastic
• Care: Bottle and cap are top-rack dishwasher safe