You wear thermal clothing on your bare skin. After a while, this moisture and temperature regulating clothing becomes one with the skin and thanks to the special flat seams you no longer feel that you are wearing it.
The thermal shirt should/can fit tightly on your upper body. Ladies as well as men's models take this into account. It is light-weight and the technical fabrics are hygienic.
How does it work?
Perspiration is transported directly from the skin to the outside, where it can evaporate or be absorbed by your second layer of clothing.
Summer or Winter?
Summer models keep the body dry and cool and focus specifically on wicking away moisture quickly. They also keep the body cool and fresh.
Winter thermal clothing emphasizes dryness and warmth. It is better to choose a lined model with an insulating effect, possibly with a water-repellent outer fabric. Certain models are also equipped with a windproof membrane on the most sensitive parts of the body, which ensures a pleasant feeling in cold (riding) conditions.
Tip from RAD
For Winter, don't choose based on the thickness of the material, but based on the properties of the material.