These particular narwhals are so awesome because they keep your toesies warm. The slippers plug up to your USB port when you’re ready to be warmed, and you can unplug the cords when you’re ready to swim around a bit.

THE NARWHAL BACONS AT MIDNIGHT
Narwhal-shaped plush heated slippers
Use as a foot-warmer when attached to USB
Detach from USB to travel in cozy comfort