Material Composition:38% Polyester, 30% Acrylic, 20% Viscose, 12% ElastaneCare Instructions:Machine wash up to 40 degrees, gentle cycle, Do not Dry CleanDescription:Keep warm with HEATTECH: thermal clothing technology from Japan. This innovative fabric absorbs and retains body heat to keep you warm. Fibres one tenth the width of a human hair trap air to prevent warmth from escaping, while wicking away moisture from the body to keep you dry. These ultrafine fibres provide a smooth feel against the skin and can even neutralise odours to keep you feeling fresh.Our classic HEATTECH is thin and lightweight; delivering warmth while sitting easily under other layers, but can also be worn as a solo layer around the house for lightweight warmth. Updated with a more opaque and stylish texture. We’ve reviewed the fit and collar stitching to enhance comfort.- Updated with a high gauge, denser, less transparent, elegantly knit fabric. – Soft, stretchy fabric packed with bio-warming, insulating, moisture-wicking, quick-drying, and shape-retaining comfort features. – The collar has been updated with seamless bonding, making it more comfortable and less likely to crease. – Low neckline stays hidden under outerwear. – Revamped fit with lower armhole opening and roomier sleeves for added comfort.Images shown may include colours that are not available.