Nathan Pinnacle 18oz Insulated Soft Flask Handheld Color:Sailor Blue Our first max-cushioned trainer packs

Our first max-cushioned trainer packs in our most cushioning to date and combines it with our signature fit

You and the Phantom 4 are the perfect match

Ideal for marathon training

Its unstructured crown and curved bill are made for immediate comfort so you can focus on tackling your goals ahead

Nathan Pinnacle 18oz Insulated Soft Flask Handheld Color:Sailor Blue Our first max-cushioned trainer packsBuilt for runners who want premium insulated soft flask hydration, the Pinnacle Soft Flask Insulated 18oz Handheld features our advanced ExoDraw flask technology in an updated carrier with a grip free mesh strap that contours to your hand. The insulated flask keeps fluids cooler longer over hot weather efforts, marathon training, trail runs, and long hikes. The 3D soft flask collapses as you hydrate to minimize size, and a wrap around pocket secures