Hydro Flask 21oz Standard Mouth Bottle w/ Flex Cap

The Hydro Flask Standard Mouth Bottle w/ Flex Cap 21oz 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. The 21 oz Standard Mouth is one of our best selling vacuum insulated water bottles because of it's size and versatility. Features: Easy to Transport Versatile, middle-of-the-road size TempShieldTM Protected Keeps cold up to 24 hours Keeps hot up to 12 hours 18/8 Pro Grade Stainless Steel BPA-Free and Phthalate-Free Durable, sweat-free powder coat finish (or our Stainless option) Lifetime Warranty Compatible with Standard Mouth Insulated Sport Cap