Eight-pair set of socks made of warm material with excellent heat retention. - Size: 24.5-27cm - Quantity: 8-pair set - Design: Solid and striped - Material: Warm material - Function: Heat retention I bought these a few years ago for my husband's work socks, but he didn't use them because they weren't five-finger socks. The left side of the photo is thick, and the right side is thin. Thank you for looking.