The Hydro Flask 40 oz Wide Flex Straw Travel Bottle is the ultimate high capacity hydration vessel designed for those who require extended supply during their longest days. By combining a generous volume with a highly convenient sipping system, this bottle ensures you stay perfectly hydrated throughout intense workouts, long road trips, or full days spent out on the water.

• Maximum Capacity: The 40 oz size provides enough liquid for an entire day of adventure, reducing the need for frequent refills and keeping you focused on your activities.
• Easy Sipping: The included flex straw cap allows for smooth and effortless one handed drinking, making it simple to stay hydrated while you are on the move.
• Reliable Temperature: Built with double wall vacuum insulation, this bottle keeps your drinks icy cold for 24 hours or steaming hot for 12 hours.
• Durable Design: Crafted from professional grade stainless steel, it guarantees a pure taste without flavor transfer and features a slip free powder coat finish for a secure grip.