The 32 oz insulated Hydro Flask, with its classic size, is most popular with outdoor enthusiasts due to its ideal capacity for people on the go. Hydro Flask’s double wall vacuum insulation technology, keeps drinks cold for up to 24 hours or hot up to 12 hours. It is compatible with separate accessories such as the Hydro Flip Lid and the Straw Lid, making it a great option for one-handed drinking. The industry standard mouth opening also makes it compatible with many third party filters, such as many MSR water filters.
Backed by Hydro Flask’s lifetime warranty.