I had to wear a woollen shirt in winter as a kid. Probably not merino.
It was so itchy that I hated to wear it. Other woollen clothes itched too. I begged my mother not to have to wear wool. She wouldn’t listen at first and I developed a allergy. All wool I have ever tried feels itchy and gives me a rash after a while (except cashmere).
Since I buy my own clothes I alway feel the fabrics with my cheek before I buy and/or check the labels. Once I forgot and I couldn’t return the item because I bought it in a sale. I really couldn’t wear it and gave away this beautiful new cardigan to charity.
On my bed is a geese/duck down to keep me warm.
Geese tax
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