Features 240gsm, Midweight fabric for warmth 100% Australian merino wool Superfine 18.5μ wool (i.e. No itch) Outstanding natural comfort Excellent moisture management Gusset in the pants Worn snugly and close to the skin they keep the wearer warm, dry and comfortable Thermal Pant - Long John Style - Merino Wool - Black - 2X-Small - WLJB - Sherpa