Man pulling on grey alpaca socks before his hiking boots at a snowy trailhead

Best Socks for Cold Feet: A Simple Winter Guide

If your feet are cold from November to March, you are not alone. Cold feet are one of the most common winter complaints, and the good news is that the right pair of socks can change your whole day. This guide explains what actually keeps feet warm and how to choose the best socks for cold feet.

Why your feet get cold

Feet are far from your heart, so your body sends them less warm blood when it gets cold. On top of that, feet sweat. When sweat stays in a sock, it pulls heat away from your skin. That is why the wrong sock can leave you cold even when it feels thick.

Note: if your feet are cold all the time, change color, or go numb, talk to a doctor. Socks help with comfort, but they do not replace medical advice.

What to look for in warm socks

  1. The right fiber. Natural fibers that insulate and move moisture away from the skin are best. Alpaca and wool are top choices. Alpaca fibers are partly hollow, so they trap extra heat without adding weight.
  2. Moisture control. A warm sock has to stay dry. Look for fibers that wick sweat and stay warm when slightly damp.
  3. Thickness that fits your shoes. A thick sock is great in roomy boots or at home. In snug shoes, a sock that is too thick squeezes your foot, cuts circulation and makes you colder.
  4. A cuff that stays up without squeezing your leg.
  5. Reinforced heel and toe so the warmth lasts more than one season.

Woman holding up grey Peruvian alpaca socks in her kitchen

Sock materials compared

  • Cotton: soft but holds sweat and loses warmth when damp. The most common cause of cold feet in winter.
  • Acrylic and polyester: cheap and warm at first, but they trap moisture and odor.
  • Merino wool: warm, breathable and odor-resistant. A strong choice.
  • Alpaca: warmer for its weight than merino, very soft, no lanolin, and naturally odor-resistant. Our pick for people whose feet are always cold. See our full alpaca vs merino comparison.

The best socks for cold feet, by situation

At home and in extreme cold

Go thick. Our heavyweight alpaca socks are fully lined and reinforced, made with 70% Peruvian alpaca. They are the ones to wear on cold floors, in snow boots, or when the heat is low.

Every day, walking and hiking

Choose warmth without bulk so your shoes still fit. Our alpaca hiker socks are a crew sock with a cushioned cuff and 65% Peruvian alpaca. They also come in heathered denim blue.

More tips to keep feet warm

  • Keep a dry pair with you on long days and change if your socks get damp.
  • Do not layer two pairs in tight shoes. One good pair works better.
  • Keep your whole body warm: a hat and gloves help your feet too.
  • Wash alpaca socks by hand in cold water with mild shampoo and dry them flat so they stay soft and warm.

Ready to stop having cold feet?

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