As one of the most popular and visible water bottle brands, Hydro Flask is now moving into other forms of portable hydration, namely backpacks with bladders. The Journey Series hydration packs combine versatile & well-designed high performance day-packs with an insulated 3-liter hydration system that uses Cold Flow technology to keep water cold for over four hours. Choose from a 10-liter or 20-liter model.
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