The ultimate hydration station. Your new Hydro Flask 20 ounce Wide Flex Sip Lid Bottle is made with pro-grade stainless steel to maintain the freshest taste during any adventure. It's optimal for your favorite hot drinks, but thanks to Tempshield™, an ingenious tech integrated right into the design, it rocks cold refreshment for hours on hours with double wall vacuum insulation. The unique flex strap makes transport easy so you can get back to adventuring in a jiffy.