Jack Wolfskin Ski Merino Sock High Cut 37% Polyamide/31% Acrylic/19% Wool/10% Polypropylene/3% Elastane Imported Ski socks with Merino wool Compression to ease fatigue Good cushioning and padding Good ventilation and stability Oeko-tex Certified (standard 100) to be free of chemicals and Naturally dyed with no color shading or fading