The quality of the shoes identified the need to focus from both the appearance and internal indicators. Due to the inherent indicators often need the help of test equipment, for a consumer in terms of quality up to identify the shoes from the appearance of more practical significance. From the appearance, mainly to identify good or bad quality shoes through the shoe materials (including uppers, soles, shoes) both quality and workmanship. You can measure the size, process with visual, hands touching, pinching, pushing the main. Constitute one of the major shoe upper part. For glossy shoes, depending on whether it is soft and plump, after pressing the upper hand, if there is loose surface phenomenon, a good shoe should be plump soft, comfortable feel, shiny uniform, no loose surface phenomenon. Suede uppers for shoes, should be careful to check whether their hair short and uniform, its tone should be the same. Upper part of the shoe is, it is for the upper reinforcement to prevent deformation of the upper extension and improvement Jiaogan and use. Therefore, a good shoe material (such as real leather shoes) should have a good touch, breathable and humidity resistance, and not easy to fade. In the sewing, shoe should not have wrinkles and fat side. After the usual men in the bottom half of the heel pad or pads. Shoes with a cover-cushion insole. Insole insole has maintained clean, covered insole is rugged, with improvement Jiaogan. Therefore, insoles should have good absorption, humidity resistance. In the work, the insole should be adhered flat insole, can not have the phenomenon of floating of the fold. Professional row of shoes color is determined by its use of light reflected from the material itself. Professional row of shoes designed to reflect the use of colors with injustice design, design trends, but also to the movement of the visual impact, entertaining greatly improved, and reflects the movement itself lively, dynamic and bright features. Professional row of shoes color and leather shoes, rubber shoes, compared with the use of color pieces, a wide range of color with complex, rich visual experience features, mainly in the following areas: (1) color professional volleyball upper surface material of use: color professional volleyball upper surface material than shoes with ease, rich and diversified. Decorative colors including not only the common color, but also make extensive use of metallic colors, laser laser, flash and so on. (2) colors on a professional volleyball sole use: shoes, rubber outsole color to monochrome or multi-color, professional row color shoes outsole was 3-5. The choice of color range, high color brightness, purity. Color with not too many restrictions, both pure color, but also a variety of color combinations, especially some in leather shoes, rubber shoes is difficult to see the colors, rows of shoes in the professional use of frequent, especially eye-catching, it full of vigor and vitality. (3) Professional row of shoes packaging and its use of color: Professional row of shoes is full of motion characteristics of the product, the movement itself is the goal of human life, so this product has the characteristics of income guidance and encouraging people to exercise together. Professional row of shoes in general are very focused products and advertising color flexible, outstanding professional features and contemporary row of shoes, to stimulate consumer desire to buy. (4) Professional row of shoes color characteristics of another closely reflects the combination of professional row of shoes and clothing trends closely the changes in clothing trends, fashion color is greatly affected. Popular trends row as a professional shoe designer and producer, to pay attention to fabric color. http://www.juke123.com/goods-257508/