Once it involves Hydro Flask vs S'well, both are actually preferred brand names for insulated canteen. Hydro Flask provides a wide variety of measurements as well as different colors, with TempShield innovation to maintain beverages cold for around 24-hour or hot for approximately 12 hours. On the contrary, S'well containers are actually understood for their sleek design as well as philanthropic alliances, always keeping refreshments cold for 1 day or hot for 12 hours. Read for more info here: hydroflaskguide.com/hydro-flask-vs-swell/