They're pretty much the perfect pair: Hydro Flask's 21 oz Standard Mouth Bottle and their insulated Sport Cap. Together, they're your go-anywhere hydration companion. It stashes easily in a small shoulder bag, your pack's side pocket, or your car cup holder, and holds enough to keep you going for hours without weighing you down.Read more
Used in every product they make, TempShield™ is Hydro Flask's double wall, vacuum insulated technology that guards the temperature of your drink. Bring ice water with you in the morning, and we promise you'll still have ice in the afternoon. Hectic morning getting in the way of your coffee sipping? No problem. They'll keep it hot until you're ready. They also guarantee no condensation or heat transfer to the outside of the bottle, ever.