60d and 90d represent the thickness of stockings, and the stockings of 60d are thinner than those of 90d. D refers to Daniel, the fiber unit of stockings. Simply put, it refers to the opacity of stockings. The bigger the number, the thicker the stockings, the higher the opacity and the stronger the tightness of the stockings. Conversely, the lower the number, the thinner the stockings and the lower the tightness.
As an indispensable close-fitting clothing for women in daily life, stockings are also divided into several different types, which can be classified according to materials. At present, the mainstream materials on the market are nylon, core-spun yarn, velvet and combed cotton. Each material has its own characteristics and advantages, and stockings are also divided into several styles to meet the wearing needs of various occasions.
Nylon stockings is more wear-resistant, more elastic and less prone to wear out. They are usually made into stockings. Core-spun silk stockings are both soft and elastic, mainly because of the high elasticity provided by polyurethane yarns, and they are also very popular. Velvet stockings are dull as a whole, so they are very natural to wear, and they have the elasticity and soft feel of core-spun yarn, and their transparency is high.