Answer:

earmuffs

AnswerCrossword Clue
EARMUFFSWinter headwear
EARMUFFSThey were invented by 15-year-old Chester Greenwood in the winter of 1873
EARMUFFSWinter headgear
EARMUFFSCold weather protectors
EARMUFFSCold-weather headgear
EARMUFFSWinter wear.
EARMUFFSNome necessities
EARMUFFSFlap covers
EARMUFFSProtectors in cold weather
EARMUFFSCold weather wear