The Madison Isoler Deep Winter Knee-high Sock is the perfect accompaniment in cold weather conditions. The Isoler features a full Terry fabric foot for maximum warmth. A ribbed cuff and arch support gives a great fit.Unlike man-made fibres, Merino wool retains its thermal properties in colder conditions to better regulate body temperature.Key FeaturesKnee-high merino locks in warmthFull Terry fabric foot for maximum warmthRibbed cuff & arch supportMade in ItalyAutumn / Winter / SpringRoad / Mtb / Gravel & Cyclocross