20 oz Coffee with Flex Sip Lid memorialday deflation and adjustment made possible

deflation and adjustment made possible by patent-pending multi-function valve and supplied Airstream Pump™/stuff sack

You can eliminate all but the basics and feel comfortable you still have everything you need

the Spey Fly sock takes its name from Scotland’s River Spey and inspiration from our own fly-fishing guru and Mill patriarch

the office and everywhere in between

20 oz Coffee with Flex Sip Lid memorialday deflation and adjustment made possibleFrom morning meetings to your favorite hike, enjoy wickedly hot coffee to water that stays icy cold for hours in the Hydro Flask 20 oz. Coffee featuring a leakproof Flex Sip lid.