Thank you for viewing! Ultra Warm, approximately 2.25 times warmer than regular Heattech. The fleece lining provides exceptional comfort. [New] Uniqlo Ultra Warm Heattech Ultra Warm Crew Neck T-shirt (Long Sleeve) Color: 09 Black Size: XL (Bust 92-98) 2020 Model Purchased in-store in the fall of 2021 Due to the thickness, I will remove the cardboard packaging and ship it in a thinner form. Thank you for your understanding. m(_ _)m - Packed with comfortable features such as heat generation, heat retention, moisture retention, moisture absorption, antibacterial, and deodorizing. - The material is stretchy, soft, and has excellent shape retention. - The skin surface is fluffy with a fleece lining, providing a good feel and excellent cold protection. Color: Black Pattern/Design: Solid Season: Winter