Set of two FIBERHEAT undershirts and one pair of leggings, made of comfortable material. - Set includes: 2 undershirts and 1 pair of leggings - Size: 90cm (undershirts) / 95cm (leggings) - Material: 65% Rayon, 30% Acrylic, 5% Polyurethane - Brand: FIBERHEAT Thank you for viewing. I bought these last winter for a trip to the snowy mountains, but I only wore them once. I wrote my name on the tags intending to use them, so I've crossed them out. These are thermal underwear, similar to Heattech.