Hydration Bundle

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The Rat Race Hydration Bundle is built for long days, tough miles, and staying sharp when it counts. With a smart mix of flexible storage and performance hydration, it’s designed t o keep you moving efficiently. Lightweight, packable, and fully compatible with the Rat Race Great Glen Backpack, every piece earns its place. No bulk. No fuss. Just reliable hydration when you need it most. What’s included: 1 x scrunch flask for easy, on-the-move hydration 1 x scrunch reservoir for higher-capacity carry Collapsible cup for quick refills at checkpoints SiS hydration tablets to help maintain performance and electrolyte balance From first step to finish line. This is hydration, handled. Show more