Pro-Grade Stainless Steel - Made with 18/8 pro-grade stainless steel to ensure pure taste and no flavour transfer – and the durable construction stands up for whatever life brings. Enjoy optimum drinking temperature for hours: Our TempShield double wall, vacuum insulated technology guards the temperature of your drink. Engineered to deliver the same cold refreshment you expect from Hydro Flask but without the weight, the Trail Series™ makes it easy to take your cold hydration as far as your spirit of adventure takes you. From mountain trailheads to morning yoga practice, our 24 oz Standard Mouth bottle is just the right size for staying hydrated before, during, and after activity. To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average.

RefillForGood is our rally cry to encourage people to make the switch and make a real difference for the planet. Made to be your go-to sidekick from office to trailhead, Hydro Flask stainless steel water bottles are vacuum-insulated and keep cold drinks cold and hot drinks hot for hours. Utilising Hydro Flasks innovative stainless-steel design, the Trail Lightweight Series is engineered to deliver the same cold refreshment you expect from Hydro Flask but without any extra weight. Durable 18/8 pro-grade stainless steel walls are thinner to reduce weight while maintaining durability. HYDRO FLASK gear can replace single-use plastics such as plastic water bottles and to-go containers.The TempShield double wall vacuum insulation will keep cold liquids chilled for up to 24 hours, while hot liquids remain hot for up to 12 hours. All of our women's clothing is shown in UK sizes but many of our brands use US sizing too, for reference we have included a rough conversion. It's large enough to hold water for the day, yet it fits easily into a pack, side pocket or car cup holder.

Keep life moving with our 18 oz (532 ml), 21 oz (621 ml) and 24 oz (710 ml) bottles with Standard Flex Cap. It also protects against the transfer of flavours – and the durable construction stands up for whatever life brings. p>Enough capacity to fuel your next big adventure, our 24 oz Lightweight Trail Series™ bottle is 25% lighter than our other 24 oz wide mouth bottles thanks to an innovative stainless steel design. Engineered to deliver the same cold refreshment you expect from Hydro Flask but without the weight, the Trail Series makes it easy to take your cold hydration as far as your spirit of adventure takes you.

Surrounded by mountains, rivers and lakes, HYDRO FLASK HQ is literally nestled into a Pacific Northwest wonderland– Bend, Oregon.