... s merino wool silk underwear/baselayer 1,fabric:85% merino wool/15% silk,220g/m2 ,1x1rib 2,much smoother than pure wool lady's merino wool ... silk underwear/baselayerfabric:85% merino wool/15% silk,220g/m2 ,1x1 ... breathable ,natural temperature-regulating,natural wicking and antibacterial.2,wool/silk blend quality is super soft and much smoother ...