How to Layer for Extreme Cold: A Simple Three-Layer System

How to Layer for Extreme Cold: A Simple Three-Layer System

Staying warm in serious cold is less about one heavy coat and more about a system. The three-layer approach is the easiest way to build one, and it works whether you are skiing, hiking, camping or just standing at a frozen bus stop.

1. Base layer: manage moisture

The layer against your skin has one job: move sweat away so you do not get chilled when you stop moving. Choose a snug, soft synthetic or merino-style fabric and avoid cotton, which holds moisture and cools you down fast.

2. Mid layer: trap warmth

Your insulating layer holds the heat your body makes. Fleece, down-style puffer fills and heated layers all work here. Heated apparel is especially useful as a mid layer because you can raise or lower the warmth with a button instead of adding and removing clothing.

3. Outer shell: block wind and snow

A windproof, water-resistant shell protects the layers beneath it. Look for adjustable cuffs, a hood that fits over a hat or helmet, and zips that are easy to use with gloves.

Don't forget the extremities

Hands, feet and head lose comfort first. Add thermal glove liners, warm socks or heated insoles, and a neck gaiter or balaclava to close the gaps between layers.

Quick tips

  • Start slightly cool; you will warm up as you move.
  • Vent a zip before you sweat, not after.
  • Pack a spare dry base layer for long days out.

Build your system from the pieces in our Heated Apparel and Accessories collections.