Material Composition:Body: 39% Polyester, 32% Acrylic, 21% Viscose, 8% Elastane/ Waist: 90% Polyamide, 10% Elastane/ All materials are zinc-freeCare Instructions:Machine wash up to 40 degrees, gentle cycleDescription:HEATTECH is light, warm, and won’t add bulk. Wrap your legs in comfort and warmth.- Thin, light, and warm. – Keeps your legs warm. – Great as an inner layer under trousers.- This HEATTECH product contains no zinc.Images shown may include colours that are not available.