Insulated Soft Flask with Bite Top | Nathan Sports
14oz Exoshot Lite Handheld Soft Flask with Bite Top - Black/Reflective Silver - 4RUN3
Amazon.com: HydraPak UltraFlask Speed 500ml - Collapsible Soft Flask Water Bottle for Hydration Vests and Running Packs with Easy Open Cap (500 ml/17 oz),Malibu Blue : Everything Else