Material Composition:52% Cotton, 41% Acrylic, 7% 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.HEATTECH Extra Warm Cotton is 1.5x warmer than classic HEATTECH, making it perfect for colder days. A special knitting technique produces a thicker material with greater heat retention, while brushed cotton feels warm and cosy against the skin.New Extra Warm turtleneck with 100% cotton on the skin side. Deodorizing features for added comfort. 1.5 times warmer than regular HEATTECH.- Updated with deodorization features to prevent odors from sweat, etc. – High-performance insulating fabric with moisture absorption/bio-warming, odor control, shape retention, moisture-wicking, and deodorizing features. – HEATTECH with 100% cotton on the skin-side surface. – Extra warm is 1.5 times warmer than standard HEATTECH. – Comfy Ultra Stretch fabric. – Fits well as an inner layer and stays invisible under outerwear. – Turtleneck design wraps you in warmth. – Casual texture and design make it great for layering, as it’s stylish enough to show off.- The images shown may include colors that are not available.