High proportion of the finest Merino wool. The strengths of Merino wool: insulation capability - it warms in the cold and cools in the heat. It doesn't itch: the elastic fibers of Merino wool bend upon contact with the skin, preventing any irritation. Odor neutrality for days due to natural wool grease (lanolin), which creates an antibacterial microclimate.

Constructed with 2 layers: Bioceramic (polyester fiber combined with bioceramic crystals) on the inside for temperature regulation and Merino on the outside. Nylon reinforcement at the toes and heel. 100% filament polypropylene in the cushioning.

Size range: Men: 39-41 (5.5-7.5 UK); 42-44 (8-9.5 UK); 45-47 (10.5-12 UK).

46% Merino wool, 26% polyamide, 13% bioceramic, 12% polypropylene, 3% elastane.