Our Boot Sock is a true classic and a longtime favorite with serious hikers and everyday enthusiasts alike. Thru-hikers logging hundreds of miles on the Appalachian Trail revere its dependability and comfort. Legendary performance fit and solid cushioning along the bottom of the foot make for a sock thats pure bliss. No slipping, no bunching, no blisters. Fine gauge Merino Wool makes this a fast drying and breathable all-weather? sock that stays cool in the summer and warm in the winter. And since Merino Wool is naturally antimicrobial this sock repels bacteria and odor a great feature when you need to get an extra day (or two) out of your socks. Still made in Vermont. Guaranteed for life.