Outlast® fibre proactively manages heat while controlling the production of moisture before it begins – that’s the difference between Outlast® technology and standard wicking fabric. Never too hot or too cold, this tall and midweight wellington boot sock regulates the temperature of your feet, and the cushioned shin makes it perfect for rubber boots. UK Size 5 - 8 (M)UK Size 8 - 12 (L)UK Size 12 - 14 (XL)Heavyweight boot socksOutlast® heat management technologyTemperature regulatingCushioned shinSuitable for cold weather1 Pair pack