The 21 oz. Standard Mouth Bottle equipped with Hydro Flask’s insulated Sport Cap is the perfect go-anywhere companion on your busiest days. 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.
Versatile, middle-of-the-road size, equipped with the insulated Sport Cap
TempShield™ 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