I've been using each item for about 3 months. [I was using them while rotating with 2 other items] Ultra Warm Heattech Tights / Front Opening: M size / Dark Gray - 3 items Ultra Warm Heattech Crew Neck T-shirt: M size / Dark Gray - 1 item These items use fluffy fleece lining to protect your body from the cold. The ultra-stretch function provides a comfortable fit. You can use them without putting a strain on your body. (Reference site: https://x.gd/b1o4W) --- ❤︎ Items will be shipped within 24 hours. ❤︎ Please take a look at my other listings as well. ❤︎ Please feel free to ask any questions in the comments. ❤︎❤︎ Since I am also using other sites, I may remove the listing without notice. Thank you for your understanding.