I mean, they keep cold air away from your feet, for one thing.

Now he could feel the cold air coming to meet him.

At the same time he felt cold air on his face.

Already cold air was coming in from without, and light.

He had seen the car, even heard it in the cold air.

At night, though, he made them open things up, let some of the cold air in.

The cold air hit me, but what did it matter?

He needed to feel the fresh cold night air on his face.

They watched as she came out the door into the cold air.

Out in the dark night, the cold air was a relief.