Nathan 18oz Soft Flask with Bite Top - NS4013-0153 Running Belts - Get up to 20

- Get up to 20 days of battery life in smartwatch mode with solar charging

- STAY DRY

This sprint spike has 10 Spikes and an aggressive spike plate to ensure that in any showdown you have the power to drive the needle into the competition

on-the-fly access to hydration and nutrition

soft-touch handles and interchangeable R8-Inserts for a customizable feel

Nathan 18oz Soft Flask with Bite Top - NS4013-0153 Running Belts - Get up to 20The perfect companion for any walk or run. 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. Size: 18oz. Bite valve keeps liquids from escaping Works great with ALL NATHAN hydration vests Easy to clean Capacity: 18 oz 535 mL