Purchased to withstand -20 to -30°C in Inari, Finland. Also wore them at the New Year's Eve countdown in Times Square, New York. I wasn't cold at all while wearing these. They've only been worn about 3 times and are in very good condition. ・Superior Down Pants Men's Retail Price: ¥17,200 Product Number 1101471 Black L size It's recommended to go up one size if you plan to layer pants underneath. I usually wear a size M, but L was just right for me. I also sell Montbell Geoline innerwear and socks. A set sale is a better deal.