Karrimor merino fibre heavyweight walking socks mens the karrimor merino fibre heavyweight walking socks are ideal for trekking mountaineering thanks to the heavyweight merino wool blend conswtruction with temperature regulating coolmax fabric mens walking socks 1 pack coolmax temperature regulating fabric comfort fit cuff merino wool full terry construction flat toe seam antiodr antimicrobial odour management 45 merino wool 22 coolmax 30 nylon 3 lycr