Q36.5 Compression Wool Socks GrayThe composition of this compression sock is 52% medino wool and 13% silk.It has the same composition as the Plus sock but built with a compression effect, it combines the double advantages and the compression properties and the thermal characteristics of silk thread. Q36.5 Compression Wool Socks GrayThe composition of this compression sock is 52% medino wool and 13% silk.It has the same composition as the Plus sock but built with a compression effect, it combines the double advantages and the compression properties and the thermal characteristics of silk thread.Lastly, the zero-wrinkle contoured fit is recommended to cold wash the sock before first use.Composition