Nathan Pinnacle 18oz Soft Flask zero-drop no bunching on long travel

no bunching on long travel days or weekend trail time

and casual trail use

Single-wall waterproof fabric does the job of a traditional tent-and-fly combo

and odor resistance

Nathan Pinnacle 18oz Soft Flask zero-drop no bunching on long travelBuilt for runners who want hydration that stays out of the way, the Pinnacle 18oz Soft Flask is our pick for vest wearing trail and ultra runners. Its tapered TPU body compresses as you drink, killing slosh and keeping your pocket tight. The high flow bite valve self seals between sips no drips, no fumbling mid stride. 18oz (500ml) tapered profile fits snugly in front vest pockets and waist belt sleeves without shifting or bunching on the move