The model of the clothing refers to the outer contour of the clothing worn on the body, generally there are A, X, O, T, H, V and other types.Type A: Generally, the basic features of upper garments and jackets with waist or without waist and wide hem are basic features. Tops are generally fitted with

The difference in light and shade and hue in the allowable range of normal chromatic aberration can be called "chromatic aberration". The traditional chromatic aberration evaluation method is to rely on the naked eye to observe directly, but due to the difference in observation conditions and the ab

With the increase in community cases, Many people wear masks during strenuous exercise outdoors.Experts say: There is no evidence to show the infection in outdoor sports.Outdoors are more ventilated and droplets are not easy to spread.Wearing a mask may bring other risks! Experts said: “For people w

Water resistance is one of the basic characteristics of sporting goods, but how to make waterproof lasting has little impact on the environment.In the past years, waterproofing of outdoor products has been mainly achieved through perfluorinated chemicals, but studies have found that these chemicals