I purchased this here before, but I haven't used it, only washed it. Here's the information that was listed at the time: These high socks are recommended for warmth and cold protection during snowboarding, skiing, and marathons. The thick pile knit reduces the impact on the soles of the feet and knees. Size: 24.5 - 27.5cm Weight: Approximately 85g Materials: Cotton, Spandex, Nylon