Double-Walled Espresso Cups: Why They Keep Shots Hotter
Double-walled espresso cups keep espresso hotter longer by slowing heat loss through an air gap between their walls. The 160ml Dawn cup fits a double shot plus a short milk drink.
- The air gap between the steel walls slows heat loss.
- The outside of the cup stays comfortable to hold.
- The 160ml Dawn cup fits a double shot.
- The 160ml Dawn cup fits a short milk drink.
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Double-Walled Espresso Cups: Why They Keep Shots Hotter explains why a small espresso shot can become lukewarm quickly and presents double-walled cups as a simple way to slow that cooling. A 60ml shot has little thermal mass, while a cold, thick-walled cup can take heat from the espresso.
- A 60ml espresso shot has almost no thermal mass.
- A small hot liquid volume can lose heat quickly.
- Heat loss follows surface area.
- A cold cup can take heat from espresso.
- Double-walled cups are presented as a simple fix for rapid espresso cooling.