air mesh and KPU provide comfort and breathability

comfortable feel at impact

Heel tab and tongue gusset provide a smooth step-in feel

A runner's last properly fits running shoes

Featuring a built-in bra with light padding

Nathan 14oz Soft Flask with Bite Top Size_09519.5 Narrow (AA) air mesh and KPU provideStay hydrated during long runs with the Nathan 14oz Soft Flask with Bite Top! This versatile flask offers handheld hydration when you're on the move or slips into any hydration vest or pack. With the bite top, you can control where your liquids go, ensuring you won't lose a single drop. Bite valve keeps liquids from escaping Works great with all Nathan hydration vests Exo Spine construction adds structure and stability. Bite valve features high flow