Stay fueled on the move with this durable, low-profile hydration bladder designed for the Stash 3L hip pack. This replacement bladder delivers smooth, reliable water flow and fits securely within the pack’s internal sleeve for stable, bounce-free hydration. Made from tough, taste-free materials, it’s easy to fill, drink from, and clean—perfect for laps at the bike park, long trail days, or quick after-work missions.