... is specialized in merino wool underwear, sportswear and all kinds of knitted garments. 100% merino wool men's underwear pantMicron: 17.5 ... , double layer, fleece etcSeam: flatlock, overlock etc100% Merino wool, machine washable, won't hold odors like synthetics, extremely ... item.We have WOOLMARK CERTIFICATION, OEKOTEX 100 CERTIFICATION, WRAP CERTIFICATION ETC. 100% merino wool men's underwear pant