Wiktionary
n. A warm cap shielding the neck and head, often made out of wool and used in skiing.
WordNet
n. a woolen face mask to protect the face from cold while skiing
Usage examples of "ski mask".
Each man is custom-fitted with a miniaturized radio receiver in his ear and a microphone inside his ski mask.
In spite of the fact that Ski Mask had evidently not kept his snowmobile in tip-top condition, as the engine was as loud as a jet’.
His ski mask was smoking, too, and before she could think twice about it, she reached up and yanked it off.
A ski mask, patterned in lozenges of navy and green, gave him the look of a tattooed Maori warrior.
He was dragging a body through the snow, dressed in a black ninja suit, its face covered by a ski mask.
Cord gave me his parka, gloves, ski mask, and flashlight and told me you planned to escape from the underground through one of the ventilation shafts.
I got one hand free and reached back, trying to scratch his face, but he had on a ski mask.
When he came to the surface, he broke it lightly, trusting in the ski mask to keep his head invisible in the black water.
He rummaged through a clothing drawer until he found a dark blue ski mask and slipped it over his head.