Best Insulated Mugs

insulated
Protect (something) by interposing material that prevents the loss of heat or the intrusion of sound
(insulate) protect from heat, cold, or noise by surrounding with insulating material; "We had his bedroom insulated before winter came"
Protect from the unpleasant effects or elements of something
(insulation) the state of being isolated or detached; "the insulation of England was preserved by the English Channel"
(insulate) isolate: place or set apart; "They isolated the political prisoners from the other inmates"
Prevent the passage of electricity to or from (something) by covering it in nonconducting material

mugs
A large cup, typically cylindrical and with a handle and used without a saucer
The contents of such a cup
A person's face
(mug) chump: a person who is gullible and easy to take advantage of
(mug) the quantity that can be held in a mug
(mug) rob at gunpoint or with the threat of violence; "I was mugged in the streets of New York last night"