The multifunctional and lightweight short hiking sock made with merino wool: wool from fine wool sheep, made softer & more durable by a special treatment and protected against shrinking.The highlights of merino wool: insulation capability - keeps you warm in cold weather and cool in hot weather. It doesn't itch: the elastic fibres of merino wool bend on contact with the skin, so there's no itching. Odour-neutral for several days thanks to the natural wool grease (lanolin). polyamide reinforcements at the heel and toepadding with 100% polypropylene filamentthe merino wool used is mulesing-free Material: 49% polyamide28% wool (merino)20% polypropylene3% elastane