UNIQLO Heattech Boa Sweatpants Set of 2 Warm with a brushed inner surface and "Heattech" material on the outside for heat retention. A single-layer fabric for a sleek silhouette. - Warm because the inner surface is brushed and the outer surface uses "Heattech" with moisture absorption, heat generation, and heat retention functions. - The elastic gathered cuffs create a beautiful drape, updating the silhouette for a casual look. - The soft, single-layer fabric gives a sleek silhouette. - The stretchy fabric makes it easy to move in. - High-performance sweatpants with a warm, high-quality look and feel. Colors: Gray & Dark Gray Size: M Due to shipping costs, the item will be compactly compressed for packaging. Thank you for your understanding.