Protect your feet from shock, blisters and abrasion on long hikes with the Expedition Trekking Socks. Built to offer breathability while reducing compression, these socks will keep your feet comfortable on your next hike. 80% Merino wool, 19% Nylon, 1% Elastic. Wicks moisture. Regulates body temperature for maximum comfort. Sturdy rib welt top eliminates slippage with a snug fit. Made in the USA. 605284000229 21272200035 SW131