Kiwami Atataka Heattech Cotton Leggings (Full Length) - Uniqlo - Size: M - Material: 56% Cotton, 22% Acrylic, 11% Polyester, 3% Polyurethane - Features: EXTRA WARM - Color: Gray Retail Price: ¥2290 Approximately 1.5 times warmer than regular Heattech. 100% cotton on the skin-facing side for a gentle feel. Purchased about a week ago, worn once and washed once at home. It's a very clean item, but please consider this as a reference as perceptions may vary. Thank you for looking.