Thermal underwear is a kind of warm clothing, which is suitable for wearing in late autumn and cold winter, and will not appear bloated, light and neat. There are mainly the following six categories:
The first category: pure cotton underwear. The most traditional single-layer underwear is soft and breathable, but it is more suitable for spring and autumn because of its light texture.
The second category: fiber thermal underwear. Cotton, wool, acrylic, polyester and other fabrics are mostly used, and flocs such as cotton, wool and camel hair are used as fillers in the interlayer. It has good air permeability and moisture conductivity; The disadvantage is that it looks bloated and heavy.
The third category: space cotton thermal underwear. Its fabric is made of cotton, wool and chemical fiber. The inner floc is plated with a metal film. Its advantages are relatively warm and radiation-proof; The disadvantage is that the air permeability and moisture conductivity are poor, and it has a silky sound when worn.
The fourth category: thermal underwear with ICCP interlayer. It uses cotton, wool, silk, lycra and other fabrics, and the ICCP material in the interlayer has also developed from the initial non-porous to the current porous mesh membrane. The fixation between fabric and interlayer is also from gluing to special process compounding.
Category V: Comfortable and healthy thermal underwear. This kind of product claims to contain far infrared fiber and more than 20 kinds of trace elements. Far infrared ray can transform energy in the body and mediate the immunity of the body.
Category VI: Silk thermal underwear. Traditional silk thermal underwear (commonly known as silk cotton-padded jacket) is filled with silk, which is green and healthy, light and soft, smooth and warm. In addition, it has strong thermostability, air permeability and moisture permeability, so it is warm, light and comfortable to wear, and the silk cotton-padded jacket can prevent mites, bacteria and mold. The silk thermal underwear made by the new technology has six advantages: beautiful appearance, many styles, washability, no renovation and warmth.