Every man will love this wool blend sock with its unique design that prevents bunching without sacrificing comfort. Arch elastic prevents rubbing and blistering, even in the most brutal fly fishing conditions. The sock's loop knit interior provides all-day comfort. Comfortable, soft Merino wool and stretch nylon construction in two weights: heavyweight for cold conditions, midweight for year-round wear. Heavyweight sock in gray mix. Midweight sock in olive. Socks washable. USA.