These are knee length socks for extreme cold weather. Socks control heat, absorb moisture, and have an insulating layer of air between the foot and the shoe. Made of elastane yarn in strategically woven areas to favor the fit and comfort of the foot at all times.
For external temperature between -20 and -35ºC
Composition: 60% wool, 20% acrylic, 18% polyamide, 2% elastane
It offers all the guarantees in this regard as it is produced and used in Scandinavian lands, the headquarters of Blakläder.