Good condition, from pet- and smoke-free home. - The ultimate thermal base layer, even in the most extreme cold. - Simple crew neck with a T-shirt style collar. - Moisture-wicking for stay-fresh comfort. - Knitted fabric keeps its shape even after repeated washing. ‘Ultra Warm’ is 2.25 times* warmer than our regular 'HEATTECH'. *Based on CLO values, which indicate the thermal insulation of clothing. Compared to standard 'HEATTECH.' High-density fabric on the inside, brushed for a fluffy feel. Fabric details 41% Acrylic, 37% Polyester, 18% Rayon, 4% Spandex Imported Washing instructions Machine wash cold, gentle cycle, Do not dry clean