Merino Wool 70% Imported HIGHEST MERINO WOOL CONTENT 70%. We don?? skimp on the wool to save money. COMFORT:?Midweight cushioning is the perfect balance of cushioning, moisture?management, and durability. SOCK TECHNOLOGY: FLAT KNIT TOE SEAM: Virtually unnoticable even in tight ski boots!?ARCH BRACE: Holds the sock in place?STAY UP CUFF: No saggy socks here! Ultra smooth cuff stays up! ULTIMATE KNITTING: Utilizing our unique knit pattern our socks deliver the right amount of cushioning in the toe heel and shin. ULTIMATE GUARANTEE: 100% guarantee. Love them or we give you your money back.