Blue bottle uses glass mugs and they re not that hot really.
Reddit ceramic mugs.
But for my mug of coffee i d rather use ceramic.
Anything and everything related to throwing hand building sculpting glazing firing and appreciating ceramic art.
Now espresso in a shot glass cold brew in a wine glass that s some eye candy.
I have 3 that i cycle through and have no complaints with then keep coffee hot a long time don t taste like stainless and hold up well.
They keep coffee hot longer than anything else because of their light weight 170g and thus very low thermal mass in addition to the insulation provided by the rather sizeable layer of air between the walls.
However i like my coffee to be pretty and mugs specifically are much prettier when made of ceramic.
They re thick so they retain heat they re taller and skinnier so they expose less surface area which also reduces heat loss they re heavy and sturdy so they don t move around easily or break easily and they just feel damn good.
They ve been around for decades for a reason.
This is a potter to.
Contigo makes a stainless steel insulated travel mug with a ceramic coating.