The Nathan QuickStart 14oz soft flask features a push pull locking bite valve that allows you to shut off when you are not running. Fits perfectly in Nathan hydration pack and vest flask pockets and is easy to hold and sip while on the run. BITE VALVE LOCKING CONSTRUCTION The push pull locking bite valve is designed for leak proof transport and the 42mm opening is sized for easy filling. EASY TO USE AND STORE Ideal size for hydration pack or vest, pockets. The flask material is soft and conforms to any pocket for a comfortable carry experience. Feature: Capacity 14oz/414ml Does not feature exo-spine Flexible design shrinks as you drink reducing the movement and easily packs away when empty. Angled bite valve that rotates 360 degrees, pull up valve to drink and push it down to lock Offers great value and features longer body and flat bottom for easier storage. Angled bite valve that rotates 360 degrees, pull up valve to drink and push it down to lock,Flexible design shrinks as you drink reducing the movement and easily packs away when empty.,Offers great value and features longer body and flat bottom for easier storage.,Does not feature exo-spine,Capacity 14oz/414ml
