Photo 1 of HydraPak SoftFlask Speed 500ml - Compressible Soft Flask Water Bottle, Perfect Fit for Hydration Vests and Running Packs with Easy Open Cap (500ml/17oz)

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Photo 1 of HydraPak SoftFlask Speed 500ml - Compressible Soft Flask Water Bottle, Perfect Fit for Hydration Vests and Running Packs with Easy Open Cap (500ml/17oz)Photo 2 of HydraPak SoftFlask Speed 500ml - Compressible Soft Flask Water Bottle, Perfect Fit for Hydration Vests and Running Packs with Easy Open Cap (500ml/17oz)