Goose bumps
From Voyeurweb's Wiki
Goose bumps is a common reference to the tiny bumps on a person's skin at the base of body hairs which involuntarily develop when a person is cold or experiences strong emotions like fear or awe.
Dulcinea shows us that the cold weather makes more than just her goose bumps stand out
Pixie gets goose bumps on a chilly evening.

