WILA seamless Women´s bottom is made from 16 micron Australian Merino wool. Woven from the finest Merino wool, it is super soft and does not itch or scratch. These long underpants are intended as a first layer on winter days. Flat seams enhance comfort. They are breathable and functional. Specifications:- Material: 80% Merino, 17% polypropylen, 3% elastane. Compare prices from: Lasting in Women's Clothing