FoxRiver Women's Polar Stripe Knee-High Socks 100% Other Fibers Made in US A special grade of Merino wool that shares all of the characteristics of classic wool such as thermoregulation, breathability and odor control. It's also luxuriously soft and comfortable. Unlike coarser grades of wool, Merino is much less prone to itching Our exclusive Wick Dry technology quickly draws moisture away from your skin so your feet stay dry and comfortable. Removing the moisture build up reduces hot spots and friction that causes blisters Smooth, flat toe seam doesn't rub or irritate during wear. Plus, our smooth, flat toe closure technique adds durability so it stretches every way you do without unraveling Spandex knit throughout the sock gives it a memory-fit helping it keep its shape wash after wash, wear after wear Heel and toe are reinforced with nylon to add durability and longer sock life Made with Wick Dry Technology Reinforced toe and heel add comfort and longer sock life Fully cushioned leg and sole Medium Weight