Hydro Flask Standard bottle mouth with stainless steel cap 21 oz HFS21SX306

A wave of coolness is about to wash over your daily routine: quench your thirst with the Hydro Flask standard neck insulated bottle with Flex Cap. Whether you're on your way to the gym or out on the town, it's easy to take your drinks with you. With its TempShield™ double-wall vacuum insulation, this water bottle keeps your drinks cool for 24 hours or warm for 12 hours. The standard neck is large enough for you to add ice cubes, but small enough for you to sip your drinks on the go. The bottle holds enough water to keep you hydrated throughout the day and fits easily into a backpack, side pocket or cup holder. The 18/8 stainless steel design keeps your favorite drink fresh and pure and eliminates any residual flavor or odor. This product Hydro Flask comes with a lifetime warranty from the manufacturer.