AHAVA: 40% off Purchase

REI.com: Hydro Flask 21oz Vacuum Water Bottle . $18.93

REI.com is offering a 21oz Hydro Flask Vacuum Water Bottle for just $18.93.

Citron is the only available color at this time. Zac and I LOVE our Hydro Flasks! :D It keeps hot drinks hot for up to 12 hours and cold drinks cold for 24 hours.