Nathan Pinnacle Soft Flask use_trainer_highcushion Racerback design

Racerback design

look no further than the Topo Athletic ST-5

Everyday miles

Maximizes comfort with hand-linked

and adds a new higher rise

Nathan Pinnacle Soft Flask use_trainer_highcushion Racerback designBuilt for runners who want premium soft flask hydration with smart storage, the Pinnacle Soft Flask 14oz Handheld features our advanced ExoShot flask technology in an updated carrier with a grip free mesh strap that contours to your hand. Ideal for marathons, trail runs, hikes, and climbs where comfort and easy access matter. The 3D soft flask collapses as you hydrate to minimize size, and a wrap around pocket secures keys or nutrition.