DetailsLasting Size Chart Women's thick, extra insulating, seamless base layer top. It is made from super fine 16 micron sustainable sourced Australian merino wool, therefore it will never itch or scratch and feels extremely comfortable next to the skin. The outstanding antibacterial properties of Merino wool guarantee that the garment remains free of odor, even after it is worn for a long time and can therefore go longer in between washes. It has excellent moisture wicking properties. It has a matching bottom (product id. WERENA). Material: 80% merino wool, 17% polypropylene, 3% spandex.