The Musto Mens Thermal Long Socks are highly breathable and insulating making for a comfortable feel to the wearer. The socks are made with a thermal yarn mix which has a wicking sweat fabric allowing the moisture to escape. The thermal socks feature a stretch ribbed cuff to hold the socks in place and to keep in all the warm air.Thermal Long Socks FeaturesMusto men\'s socksThermal socksBreathableThermal yarn mixStretch ribbed cuffComposition 42% wool, 42% polypropylene, 14% polyamide and 2% elastaneMachine washableMusto\'s Ref.MPN: 86040Colour: BlackSizes: Small, Medium and LargePM Ref. 3101873