What counts as underwear and what does not

Short answer: Underwear is the clothing that sits closest to the body as the first layer: boxer briefs, vests and, in a broad sense, usually socks. Clothing worn on top, such as T-shirts, sweatshirts and trousers, does not count as underwear. Here is a simple breakdown, so you know what is meant.

Underwear in the narrow sense

In the narrowest sense, underwear is what covers the lower body and sits closest to the skin, so boxers, briefs and trunks. It is the layer nobody is meant to see, and it has to fit well and feel comfortable all day. It is also what most people mean when they use the word.

Vests and similar layers

Vests and thin layers worn under a T-shirt or shirt are often counted as underwear, because they sit close to the body and protect the outer fabric. They are optional, but many wear them. One thing to remember is that a vest should be thin enough not to show under what sits on top.

Socks, in the grey zone

Socks sit in a grey zone. Some count them as underwear because they are a base layer, while others see them as a group of their own. What matters is not the word but that, like underwear, they sit close to the skin and should be soft. Here bamboo boxer briefs and socks can fit together well.

What does not belong

T-shirts, sweatshirts, trousers and other outer layers do not count as underwear, even if a T-shirt can be worn as a first layer. What decides it is whether the garment is designed as the innermost layer or as part of the visible clothing. Nightwear and swimwear are groups of their own and do not belong either.

Why the division is useful

The division makes it easier to think in layers. The innermost layer should be soft and close-fitting, the middle layer should give warmth, and the outer layer should cope with weather and daily life. When you know which layer a garment is, it is easier to choose fabric, size and fit. It also helps when you plan what to buy.

Fabric and fit in the inner layers

The inner layers should be soft, breathable and pleasant against the skin. Viscose from bamboo is one of the fabrics many choose for exactly this purpose. The fit should be close without squeezing, so the fabric does not shift. Also look at bamboo underwear for men.

Care of the innermost layers

The innermost layers are washed most often, because they sit close to the skin. Follow the care label, wash at low to moderate temperature and use little fabric softener. That way the fabric keeps its shape longer, and you do not have to replace it so often. The same applies to the rest of your clothes.

The layer that goes on top

Once the innermost layer is in place, you can build on with clothes over it. For everyday wear, bamboo T-shirts for men are a simple next layer. Think about what should fit close and what should fit loose, so you can easily adapt to the temperature during the day.

Frequently asked questions

Do socks count as underwear

That depends on whom you ask. Many count them as a base layer, others see them as a group of their own. What matters is that they are soft and fit well.

Is a T-shirt underwear

Normally not, even if it can be worn as a first layer. T-shirts are outer layers, while vests are designed to sit innermost under other clothes.

What is the difference between a vest and a T-shirt

A vest is thinner and should not show. A T-shirt is designed to be seen. The choice depends on whether you want an extra layer.

You can find the full range at Copenhagen Bamboo.