WULK are mens seamless long under pants made from 100% Australian Merino wool.These pants are super soft because they are woven from the finest Merino wool 16 micron and therefore do not itch or scratch.The pants are best suited as a first layer on winter days.Flat seams enhance comfort.They are breathable and functional. Material: 80% merino, 17% polypropylen, 3% spandex.230grams/m2. Compare prices from: Lasting in Men's Underwear