Model height H5, 12-18cm above the shoe (classic height) recommended for use in cold conditions. New sizes and measurements in this new autumn-winter season. It has an extra A+ fit with no tightness in the upper and an adjustment and anti-slip strip in the instep area. In addition, it has an extra reinforcement in the shank area to avoid possible rubbing and friction, and also a reinforcement in the heel to provide greater adaptability and protection. Made without seams around the edges and with the toe closed stitch to stitch, and is an asymmetrical model. It also has increased breathability areas at high perspiration points. Designed with Bmax Merino technology to combat the main causes of blisters such as overheating, moisture and friction. Developed with the ESP 2 structure for greater durability, cushioning and protection. And supported by the Silver Base Layer grid, developed with high antibacterial power.