The first thing a coffee thermos has to do is keep coffee from ... Our top pick is the Zojirushi Stainless Mug which has excellent heat retention and a spill-proof lid. If you're a little rougher ...

Material choice in your insulated coffee mug is important for taste, durability, and even insulation. Most of the mugs on our list utilize 18/8 grade stainless steel, which we found to be the best ...

However, they cannot completely prevent heat loss. While stainless steel mugs keep coffee and tea hot for longer than ceramic mugs, they will eventually lose heat. Read more: 26 Coffee Hacks You ...

TRANIAC - Train Like A Maniac Double Walled Vacuum Insulated Stainless Steel Flask, Cold Up to 36/Hot 13 Hours, Extra Sports Mode Lid Included, Thermos Bottle, 1000ml / 1 Litre, Matte Black ...