What you should know about clothes for the cold season
Short answer: In winter the innermost layer matters most for how warm you feel, not the outer one. If that layer is damp, it cools the skin no matter how good the outerwear is. Choose the fabric closest to the body with care, and build the rest around it.
The inner layer first
Moisture against the skin pulls heat from the body, even when the air temperature stays the same. A layer that moves moisture onward instead of holding it is what keeps you from getting cold after sweating a little along the way. See bamboo undershirt for men.
Two thin layers beat one thick one
Air trapped between several thin layers insulates better than one thick piece of fabric on its own. It also lets you remove a layer once indoors without freezing for the rest of the day. See bamboo underwear for men.
The legs get forgotten
Most people put on three layers up top and only one below, even though legs get just as cold as the upper body does. A thin layer under trousers changes how long you can stay outside. See bamboo long johns.
Feet follow their own rules
Room inside the shoe matters more for warmth than the thickness of the sock. If a thick sock gets compressed inside a tight shoe, it insulates worse than a thinner sock would in a shoe with room to spare. See all bamboo socks for men.
Wash without fabric softener
Fabric softener sits as a film on the fibres and cancels the moisture transport of the inner layer, so the whole system fails exactly when you need it most. Wash at forty degrees without it instead. See washing and care.
Wool or viscose
Both move moisture better than synthetic fibres, but they behave differently on the skin and in the wash. Bamboo viscose is softer from the first wear and handles machine washing without shrinking or turning stiff, which makes everyday life simpler. See bamboo underwear for men.
Change layers with activity
Moving from sitting still to being active soon soaks the inner layer with sweat, and then the insulation works against you instead of for you. If you can, remove a layer before activity and put it back on afterward.
Bedding and cold indoors
Cold does not stop at the door. At night the temperature drops in many bedrooms, and a thin layer of underwear beneath sleepwear holds warmth without making you sweat the way a thick layer otherwise would. See bamboo undershirt for men.
Winter clothes last longer with the right care
Elastic in seams and waistbands breaks down faster from heat than from wear. Use low heat when tumble drying, and hang the rest to dry instead, so both fit and moisture transport last much further into the season.
Frequently asked questions
Which layer matters most in winter?
The innermost layer against the skin. If it is damp after sweating, it cools the skin no matter how good and warm the outerwear is otherwise designed to be.
Are thick socks always warmest in winter?
Not in a tight shoe. If the air gets pressed out of the sock, it insulates worse, and feet grow colder than with a thinner sock in a shoe with room to spare.
What do most people forget to wear in winter?
An extra layer on the legs. Most people put on three layers up top and only one below, even though legs get cold just as easily as the rest of the body.
You can find the full range at Bamboo-Clothing.com.
