Pinnacle Soft Flask Insulated Handheld 18oz Color:Black - Reflective Silver Firm but flexible contoured neutral

Firm but flexible contoured neutral arch support with a deep heel cradle for increased comfort

The Glycerin 21 is essentially an evolution of the Glycerin 20

To convert from men's to women's ADD 1

Reinforced heel and toe

Pinnacle Soft Flask Insulated Handheld 18oz Color:Black - Reflective Silver Firm but flexible contoured neutralDescription The Pinnacle Soft Flask Insulated 18oz Handheld features Nathan's advanced Exo Draw soft 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. With an insulated flask, keep fluids cooler, longer. Features 18oz 535 mL BPA FREE Insulated Soft Flask with bite valve, keeps fluid cooler longer Proprietary