FoxRiver Therm-O-Ragg Mid-Calf Wool Cold Weather Socks 100% Other Fibers Made in US These Heavyweight wool socks are perfect for cool and cold weather adventures With our unique blend of the best materials these foxsox will keep you Warm and comfortable from morning to night Made from wool and hollofil, these mid-calf socks help your feet hold in more heat on your outdoor adventures Contoured Rib top holds wool socks in place to eliminate slippage and keep your entire foot Warm Made in the USA, this wool Naturally Wicks away moisture to keep feet Dry