And, honestly, the high you get from curating a collection of cool coffee mugs ... regulating mug, YETI's best in class insulation will pretty much do the same job. A Big Ole Mug for when I ...

Amazon’s Black Friday deals include record-low prices on Ember self-heating coffee mugs. Typically $130, the 10-oz. Ember Smart Mug 2 starts at $90. The devices keep your coffee, tea or other ...