The new Merino Wool socks from OTSO SPORT are made with Merino wool from New Zealand. It is natural, recyclable, and biodegradable; providing a constant feeling of softness and well-being. It is thermo-regulating, breathable, and resistant to the passage of time and stains. Additionally, it repels water and eliminates moisture, sweat, and bad odors; managing to preserve the original colors even when washed in a machine, without losing any of its properties. Ergonomic and seamless design that adapts to the foot naturally and pleasantly. With a support band in the plantar arch that allows a perfect fit, avoiding any type of friction, chafing, and blisters after hours and hours of use. "Cushion" zones on the heels and toes to protect these areas of greater impact and wear, making them more resistant and durable. They are ideal for hiking and long trekking days, but also for running, trail running, cycling, or skimo. In short, they are a good ally in any outdoor sport during all seasons of the year. MAIN FEATURES * Entirely manufactured in the European Union * Thermo-regulating * Breathable * Elastic band in plantar arch * Seamless * Cushion zone on heel and toes * 54% Merino Wool, 43% Polyamide, 3% Elastane WASHING RECOMMENDATIONS * Wash at a maximum of 40º * Do not use bleach * Do not tumble dry * Do not iron * Do not dry clean