YETI. YRAMWINE10. RAMBLER 10OZ INSULATED WINE TUMBLER. SEAFOAM. While most things are better outdoors it s especially true of wine. But that simple pleasure demanded some serious engineering to ensure no pool deck happy hour or boat is hampered by broken glass. Our 10 oz. Wine Tumbler is the YETI answer to the wine glass and available in stainless steel and DuraCoat color. Now enjoying your wine in the wild is simultaneously hard core and laid back.