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Running shoes, also known as sports shoes,Nike Run Free according to the needs of biomechanical running shoes can be divided into providing shock absorption, providing stability, providing three types of motion control. Provide shock absorption of the running shoes, usually softer sandwich soles, supporting the foot uniform force during exercise, to help foot shock absorption. Shoes are usually lighter, the stability will be relatively poor.
Provide stability of the running shoes,Nike Free Online soles usually have a uniform force column or medial with a sandwich structure. Running shoes, which are sport-controlled, are generally stiff and reduce or control over-pronation of the foot to prevent ankle injuries, which typically weigh more than other running shoes.
To understand running shoes, buy running shoes should first understand the structure. Running shoes, or most sports shoes are generally divided into three parts. Outsole (or outsole), is the lowest layer of shoes and ground contact. Wear-resistant, non-slip is the key to it. 2. In the end, between the outsole and insoles. Flexibility, protection of the feet is its key. The midsole is also a high technical part of running shoes. 3. Upper, mainly refers to the above insoles, including the entire upper part of the shoe. Breathable, easy to wear off, beautiful is its key.
In the sporting goods store shoe wall, pick up a running shoe to observe from the outsole, the outsole is generally covered with the sole, covered with a variety of special lines, the middle there may be a lot of ditch back, Most of the color is black, there are other colors, the thickness is generally 3-5mm. Outsole is the main role in direct contact with the ground to play the role of wear-resistant, non-slip, full of lines and groove back is to play this role. Outsole material is generally carbon rubber, the rubber is more wear-resistant, while non-slip effect and weight is also more ideal.
Buy Nike Air Max 97 Between the outsole and the colorful upper part, it is often a white midsole. The general thickness of the midsole is about 1-2cm, its main role is to buffer the vibration from the ground. (When people are running, ground vibration transmitted to the body can reach about 8 times the usual walking state) If there is no midsole, running sports for body vibration damage will be very unfavorable. Therefore, a variety of high-tech developed to the midsole. They are called different, but the purpose is one, is to find ways to reduce the vibration, transfer, so that you feel comfortable and safe running. In the end of the material, in addition to the patented technology used in particular to all brands, most of the materials used are EVA or PU foam rubber. It provides good elasticity and light weight.
The bottom up, is the upper part. Nike Air Max 97 This part comes in direct contact with your feet (and of course across socks). It acts like a protective cover that safely protects your feet. Among them, the first is insoles that touch your soles. Looked in the shoes, you may find that the insoles look Tingduo too much. Indeed, this part is also permeated with high technology. Such as insoles materials, generally also use EVA, but the surface after treatment, an increase of foot sweat adsorption and distribution functions. There are also some insoles to adjust the support of the arch area, in order to achieve the best foot and shoe with.
Another part of the upper is the uppers. Buy New Nike Air Max 97 Mens Black Red Running Shoes Online This part is the most complicated and difficult part of shoe design. This mainly refers to how to achieve the appearance of shoes, style and function of the balance. Big sports brands, often every quarter, launched many attractive new style, so that buyers purse. From the functional point of view, this part of the main considerations are: breathable, comfortable, close protection of the foot and ankle, laces and other solid and easy to use.