Hydro Flask Standard Mouth Water Bottle 21oz

The Hydro Flask 21oz Standard Mouth Water Bottle is the perfect size for staying hydrated on the go. With its double-wall vacuum insulation, this bottle keeps your drinks cold for up to 24 hours and hot for up to 12 hours. The stainless steel construction is durable and resists dents, dings, and other damage, while the powder-coated finish adds extra grip and style.

The standard mouth opening is just the right size for sipping and allows for easy filling and cleaning. Whether you're hitting the gym or the trails, this water bottle is a reliable companion that keeps your drinks at the perfect temperature all day long. It stashes easily into a small shoulder bag, your pack's side pocket, or your car cup holder, and holds enough ice cold goodness to keep you going for hours without weighing you down. No wonder it's one of our bestselling water bottles.

• Versatile, middle-of-the-road size
• TempShieldTM insulation eliminates condensation and keeps beverages cold up to 24 hours and hot up to 12 hours
• Durable 18/8 Pro-Grade Stainless Steel construction
• BPA-Free and Phthalate-Free
• Compatible with Standard Mouth Insulated Sport Cap
• Lifetime Warranty