Fleece Lining: Fleece lining should be soft, plush and insulating. Check if the fleece is made from synthetic materials like polyester, which are common in warm leggings. Avoid fabrics that feel ...

Y-Warm, a new soft insulation material invented by Beijing MatrixTech ... with thickness of 0.7 mm filled between the fabrics and lining of the garment, functionalizes as a layer of effective ...