Pinnacle Soft Flask Handheld 18oz W Guide ISO S-curve carbon-fiber plate gives you

S-curve carbon-fiber plate gives you the perfect amount of spring and pop

The internal bootie construction contributed to a snug

Connect with other users to challenge and compete

A crazy old man appears out of thin air and gives you a time machine

Uncle Carl Wants YOU

Pinnacle Soft Flask Handheld 18oz W Guide ISO S-curve carbon-fiber plate gives youDescription The Pinnacle Soft Flask 18oz Handheld features Nathan's advanced Exo Shot flask technology in an updated carrier and grip free strap for unmatched comfort. It boasts an expandable pocket for keys and essentials, ideal for marathons, trail runs, hikes, climbs, and more. Features 18 oz 532 mL BPA FREE Nathan x Hydrapak soft flask with bite valve Proprietary soft flask interior rigid ExoSpine creates superior hand feel and support