HEATTECH Extra Warm, size M, provides optimal warmth for the cold season. - Brand: HEATTECH - Model: Extra Warm - Size: M - Technology: JAPAN TECHNOLOGY Thank you for viewing. These are UNIQLO's Extra Warm HEATTECH tights. The waist size is indicated as 76-84. How about them for the coming season? I hope to have a smooth transaction with those who understand that these items are stored at home. I will pack them as compactly as possible for shipping, so please refrain from purchasing if you are concerned about this. I try my best to respond quickly and carefully, so thank you for your understanding.