a bear lol
There blubber or fat keeps them warm.
Whiskey keeps you warm XD
Their down keeps them warm.
They have two layers beacuse they need to stay warm in the cold
warm blooded
Dolphins can live in both cold and warm water because they have blubber which keeps them warmer.
No because their body fat keeps them warm.
Well, a blanket keeps you warm when it is cold.
blubber
yes, wood is an insulator so it keeps things warm.
It's black and thick skin
Under Armour Heat Gear keeps you cool, while Cold Gear keeps you warm.