Designed in Russia's coldest region, the unique headgear is tens of thousands of years old - and prickly.
It is being put own sale by its creator Vladimir Ammosov, 44, a builder from Yakutsk.
The amazing hat is woven from hair from the woolly beast preserved in permafrost since the Ice Age.
It is being put own sale by its creator Vladimir Ammosov, 44, a builder from Yakutsk.
'My relative went to a woolly mammoth graveyard site at Kazachye village in Ust-Yanskiy in Yakutia.
'He picked up a full plastic bag of woolly mammoth hair and later sold it to me because he needed money.
He verified that this was indeed authentic hair from the extinct beasts.
'I kept looking at the bag, wondering what to do with the hair, and then thought why not to try and make a hat?
'In Yakutia, we make traditional round hats of horse hair, so why not to try and use mammoth hair and to create something truly unique?’
He hired a specialist hat maker to crochet the hate in Yakutian style.
He also verified with Semyon Grigoryev, director of Yakutia's Mammoth Museum, that this was indeed authentic hair from the extinct beasts.
He hired a specialist hat maker to crochet the hate in Yakutian style.
'This was the prickliest hat I have ever worn,’ said the expert.
'It is completely odourless, but unlike, say, bisons, woolly mammoth had really rough hair.
'Wearing the hat felt like I was having a head massage'.
Traditionally round crocheted hats made of horse hair are for men to wear on special occasions like the Yakutian news year holiday or Yhyakh - at the summer solstice.
Semyon Grigoryev, director of Yakutia's Mammoth Museum.
'We believe these hats are worn by men; I think it cones from older times when such hats were worn under warriors helmets,’ said Vladimir.
'But since we live in 21st century, I don't see any problem with a woman or a child purchasing and wearing the hat.'
Maria Kim from Megino-Kangalassky district, who makes traditional horse hair hats, said: ‘People who wear them say that the constant feeling of skin massage helps with blood pressure and normalises headaches.’
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