About this item
- SOFT FLASK – Fits perfectly in your hydration vest, backpack or pocket. Compatible with all Nathan vests.
- BITE VALVE – Our timeless bite valve keeps liquids from escaping and allows for a quick and easy drink while running.
- INSULATED – Keeps your water cooler 38% longer than a regular flask.
- Large 18oz capacity, and easy to clean! BPA FREE.
