ACTIVE WOOL men's overalls are premium quality medium thickness thermal active underwear that can perform their function perfectly all year round. It is made from the world's best natural raw materials - merino wool. It is very soft, gentle to the touch, does not bite or scratch. Merino wool is also very thin, with fibers of only 16.5 microns, which is more than four times the thickness of an average human hair! The thinner and denser the sheep wool wheel, the better its thermal insulation properties. The fibers used in the BRUBEK brand ACTIVE WOOL COLLECTION are the finest type of Australian merino wool. Due to the fact that the wool is very elastic, you do not get angry or push out. It fits perfectly to the body, is gentle on the skin and leaves no marks thanks to the pressureless seams and flat seams. The combination of natural wool fibers with polyamide fibers and double-layer seamless construction allowed to have unique thermoregulatory properties and maintain maximum comfort. The product ensures faster moisture absorption, significantly increases thermal comfort and helps maintain a constant body temperature. It protects the body from cold and overheating. Medium thickness knits or crochets will also work well as a base layer or first layer in moderate temperatures in variable weather. The drug has been dermatologically tested - it does not irritate or cause allergies, and is also suitable for people with allergies. Merino wool has additional air properties: micromassage with its fibers helps to hide cells better, improves blood circulation, and neutralization of positive ions improves and soothes the nervous system. The advanced product is made to ensure the quality of the smallest details - 100 percent. it is produced in the European Union.