Hydro Flask 21-oz Standard Mouth Bottle w/ Flex Cap

Hydro Flask's perfect go-anywhere companion on your busiest days, the 21-oz Standard Mouth Bottle 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. Vacuum insulated.

Please note this bottle comes with the new Standard Mouth Flex Cap, which is designed for easy carrying. The cap must be screwed off completely to drink. There is no straw or flip top in the lid for quick drinking.

Main photo is Black.