Nathan Pinnacle 18oz Soft Flask speedcross This technology aids in the

This technology aids in the recovery process and creates an incredibly comfortable sandal you can wear anywhere

is low profile

Energy efficient PWRRUN PB foam bounces back with every step combined with a winged nylon plate that provides torsional rigidity while maintaining flexibility in the forefoot

With a dynamic support chassis and reliable grip so you can send it

the Sprinter is Dual-Fuel compatible and can be powered with either our rechargeable BD 1800 Lithium-ion battery which is included when purchased or it can run off three AAA alkaline batteries as well

Nathan Pinnacle 18oz Soft Flask speedcross This technology aids in theThe 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. Lightweight, ergonomic mesh strap contours to your hand for a comfortable, no grip fit. The 3 D soft flask bottom optimizes storage and minimizes size, collapsing as you hydrate for