The 32 oz insulated Hydro Flask redefines the most sought after water bottle size in the outdoor industry. This classic size has long been the most popular with outdoor enthusiasts due to its ideal capacity for people on the go. Now with Hydro Flask’s double wall vacuum insulation technology, drinks will stay cold up to 24 hours or hot up to 12. The 32 oz Hydro Flask 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. The bottle is available in 9 powder coated colors and Classic Stainless and is backed by Hydro Flask’s lifetime warranty.