21 oz Standard Mouth Size:21 oz Body-mapped ventilation zones regulate heat

Body-mapped ventilation zones regulate heat when you’re working hard on the uphill

the compact design packs efficiently without creating awkward bulk

Mesh filter expertly strains fine particles

ULTRA MINI

and easy to assemble-disassemble

21 oz Standard Mouth Size:21 oz Body-mapped ventilation zones regulate heatDouble 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. Plus, since its made without BPA chemicals, you can keep re using it