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cashmere o la lana

Although cashmere and wool are now widely used fabrics in the winter clothing market, many people still wonder whether cashmere or wool is warmer and which of the two materials is able to ensure better thermal insulation capacity. Kuxo, a renowned Italian brand of cashmere knitwear since 1959, has decided to definitively clarify the matter.

 

Although cashmere and wool are both natural fabrics capable of providing high thermal comfort, there are substantial differences in their micrometric characteristics and consequent thermoregulatory properties. Cashmere stands out for the unique fineness of its fibers, with an average diameter of less than 15 microns, while wool has thicker fibers with a diameter of between 18-35 microns. It is precisely the greater fineness of cashmere fibers that allows it to trap more air than wool, creating a more performing thermal insulating layer.

 

Furthermore, thanks to the dense network formed at a microscopic level, cashmere allows optimal transpiration of the skin, allowing water vapor to be absorbed and released without problems. Wool, although it also guarantees a good level of transpiration, is slightly less performing in this respect. Based on these structural differences, we can definitively state that the true king of thermal insulation is cashmere, as it allows our body to stay dry and warm at the same time, even on the coldest days.

 

Is cashmere or wool warmer? The different thermal properties

When discussing the thermal properties of cashmere and wool, it is necessary to consider various factors related to the chemical and structural composition of these textile materials.

 

Cashmere, obtained from the undercoat of the cashmere goat, is characterized by the presence of particularly thin fibers, with a diameter of less than 15 microns, which give this fabric a high insulating capacity against the cold. Thanks to its microscopic structure, cashmere is able to retain air, creating a heat-regenerating layer between the body and the external environment. Furthermore, despite being very warm, this material ensures excellent breathability because its fibers, while creating a barrier against wind and humidity, still allow water vapor produced by the body to pass through. These characteristics make cashmere the best fabric for ensuring thermal comfort even on the coldest days. The best Italian cashmere, obtained from farms that respect high quality standards, guarantees excellent performance thanks to particularly thin and imperfection-free fibers.

 

Wool, produced by shearing sheep of different breeds, also has high thermoregulatory properties given by the convoluted structure of its fibers, which create numerous insulating air pockets between them. However, compared to cashmere, it has fibers with a slightly larger diameter, generally between 18-35 microns. Consequently, at the same weight, wool has a slightly lower insulating capacity than cashmere. Furthermore, although wool also lets water vapor pass through fairly well, its breathability is lower than that guaranteed by the ultra-fine fibers of cashmere.

 

Therefore, based on what is highlighted in the scientific literature on the subject, it can be said that cashmere has overall better thermal properties than wool, thanks to the greater fineness of its fibers which enhance its insulation and breathability performance. This makes it the best fabric for dealing with extreme weather conditions, although wool still remains an excellent alternative thanks to its significant thermoregulatory capabilities.

Is cashmere or wool warmer? Insulating and breathability capabilities of the two fabrics

When comparing cashmere and wool fabrics, it is necessary to take into account their thermal capabilities in terms of insulation and breathability.

 

In terms of thermal insulation, studies reveal that cashmere boasts superior performance thanks to the extremely small diameter of its fibers, which is generally less than 15 microns. The microstructure of cashmere fibers makes the phenomenon of the static air layer possible, ensuring an effective barrier to heat loss by conduction. On the contrary, wool has more fibresthick, with diameters on average between 18-35 microns, and therefore less capacity to trap air between the individual fibrous components.

 

With regard to transpiration, it is well established that cashmere allows a faster and more consistent evaporation of the water vapor produced by the human body thanks to the high porosity conferred by its microstructure. Wool, although it still lets the skin “breathe”, has a lower hydrophilicity due to the larger fibrous diameter.

 

Several laboratory tests have been conducted to verify the thermal capacities of cashmere Italia. Research has supported the hypothesis that cashmere boasts thermal properties objectively superior to wool, keeping the skin dry and comfortable even in extreme conditions. Cashmere obtained from Italian farms is particularly effective, thanks to the high quality of the raw materials used.

 

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