We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Abigail Bailey Abigail Bailey is a writer on the kitchen team. Her subjects ...

There's nothing worse than forgetting about your cup of coffee, then coming back an hour later to a lukewarm drink. Sure, you could nuke it in the microwave, but it just doesn't taste the same after.

To create a gauge for how good an insulated cup really is, Michael decided to measure them against a standard ceramic mug filled with 300ml of boiling water. Though preferences will vary from person ...