heat exchanger and internal pressure regulator produce best-in-class

durable tote bag

Ribbed V-neck

Hickorystiel

AMP-Flow ventilated back panel to keep you cool and comfortable

21 oz standard mouth w flex straw cap agave britishbrands heat exchanger and internal pressureDouble insulated stainless steel, to banish lukewarm drinks forever Designed for everyday adventures, the 21 oz Standard Mouth bottle from Hydro Flask is their mid range and most versatile product. Small enough to fit in a rucksack side pocket or your cars bottle holder but carrying over 600 ml of liquid, the 21 oz insulated bottle is the perfect companion for your daily travels. It features an airy leakproof Flex Straw making it super easy to hydrate