Merino 10 is everything you love about a Merino running sock, times 10. Feetures united merino wool with TENCEL fibres to create a game changing merino running sock. This intimate blend of TENCEL and wool is spun with a new innovative technique which results in a sock that is comfier, drier, stretchier, and tougher. Blend of premium merino wool and TENCEL fibres for superior all-weather performance.