Just like our popular Extreme socks but a bit longer so they come over the calf. Heavy sock for extreme weather outdoor use....or with a pair of sweats for football Sunday (my favorite use). Total USA product as it is a coop product, meaning only coop alpaca owner members have access to offer these socks, and those members sell a certain amount of their alpaca fiber each year to the coop, which makes a variety of product but none more popular than these socks, their #1 seller. Buy a pair as a gift or pamper yourself. Popular with hunters, ice fisherman, winter hikers, outdoor workers etc., these socks have a high percentage of alpaca, which means extra warmth for the tootsies. Hand wash and lay flat to dry. A little extra care needed, but it is so worth it!