kid's merino wool underwear. 1,100% merino wool ,220g/m2,1x1 rib 2,Yarn dyed stripe,very soft no itch feeling wool Kid's merino wool underwear.fabric:100% merino wool ,220g/m2,1x1 ribColour:Yarn dyed stripe.size:2-16yearFeaturer:very soft no itch feeling wool.Thermal warm underwear in winter.four needle six needle flatlock stitiching.