Sock collection grows! These Havu Retki socks are made for outdoor hiking! Retki socks have 3 layers of Merino wool to keep your feet going. Merino is naturally odour & stain resistant thus great material for socks Materials: 34% Merino wool, 25% Polyamide, 16% Recycled Polyamide, 14%Recycled Polyester, 9% Recycled Wool,2% Elastane Made in Finland