Nathan Pinnacle 4L Hydration Race Vest (buy)

This vest is the best one Nathan has produced yet. New this year is the two zipper pockets that are waterproof. You now can put your phone on either side of the vest. Also lighter and more breathable then previous vest. You'll notice the difference in body temp. Also one of the BIG new improvements is a pouch where you can actually put trekking poles down into that designed for that use. makes them very accessible and easily storable. This vest will make a difference race day or in those long training days.