Hydro Flask 21oz Standard Flex Straw Cap size-07-5b Made in the USA of

Made in the USA of Imported Yarn: 46% Merino Wool 26% Nylon 25% Recycled Nylon 3% Elastane *Specific percentage of Recycled Nylon will vary as we transition to 100% Recycled Nylon in future seasons

You gather with people you barely know

The UV-repellent finish offers protection from the sun

sock-like upper with a 30% sugarcane-based EVA insole and 20% sugarcane-based EVA outsole

A classic hydration waistbelt with a modern twist

Hydro Flask 21oz Standard Flex Straw Cap size-07-5b Made in the USA ofHydro Flask. Keep life moving with our 21 oz bottle and Standard Flex Cap. It stashes easily into a small shoulder bag, your packs side pocket, or your car cup holder, and holds enough ice cold goodness to keep you going for hours without weighing you down. No wonder it's one of our bestselling water bottles. Our unique double wall vacuum insulation protects temperature for hours.