Versatile and technical socks ideal for year round hill walking and trekking these smartwool womens hiking medium crew socks use merino fibres to create a versatile design which keeps you warm in winter and cool in summersmartwool are masters at creating versatile socks which use technical materials to maximise comfort and support during activities these hiking medium crew socks feature wow technology which uses merino fibres to create a reinforced sole which is durable and comfortable wool