Km in how to choose running shoes, light hiking shoes and avoid hurt. Feel have a pair of comfortable, appropriate and high cost performance of running shoes, to take part in the sports speaking is indispensable.Running shoes contrast - choose - experience article: this paper through the analysis of the structure and running <strong><a href="http://www.airjordanretro9kilroyforsales.com/308497-089-buy-air-jordan-4-retro-bred-2012-for-sale-650.html">Pre Order bred 4s </a></strong>shoes classification about km to how to choose running shoes, light hiking shoes and avoid injury. (a) the structure of running shoes To understand the running shoes, purchase running shoes first should understand its structure. Running shoes, or most trainers can be generally divided into three parts 1. The outsole (or called outsole), is the bottom shoes and ground contact layer. Wear-resisting, slip resistance is the key to it. 2. Insole, on bottom and between the insole. Elastic, to the foot protection is the key to it. Insole is also running shoes high technology content part. 3. Upper, mainly refers to the insole above, including the whole shoe upper. Breathable, convenient take off and put on a beautiful is the key to it. At the sports store shoes wall, picked up a running shoes to observation, from the bottom look, the bottom is usually covered the whole sole, above is full <strong><a href="http://www.airjordanretro9kilroyforsale.com/jordan-retro-9-9-1-12.html">retro 9 jordans</a></strong>of all kinds of special lines, intermediate and maybe a lot of GouHui, color most is black, also have other color, thickness is commonly 3-5 mm. Outsole main effect is to be on the ground and in the process of direct contact with the play wear-resisting, prevent slippery effect, overspread of grain and GouHui is up this <strong><a href="http://www.airjordanretro9kilroyforsale.com/jordan-retro-11-19-1-12.html">jordan 11 for sale</a></strong>effect. The bottom material is generally contain carbon rubber, this kind of rubber is wear-resisting , at the same time prevent slippery effect and weight is more ideal. Outside the bottom and the top of the colorful between, often is a layer of white insole. The bottom of the general thickness in 1-2 cm, its main role is to buffer the ground was shaking. (people in running, ground transfer to the body's vibrations can achieve at ordinary times walk state eight times the left and right sides) if there is no insole, running motion for the whole body vibration damage will be very bad. Therefore, all kinds of high technology has been developed to use in the bottom. Such as NIKE AIR PAD, the ADIDAS ADIPRENE,<strong><a href="http://www.airjordanretro9kilroyforsale.com/130690-062-nike-air-jordan-12-(xii)-flu-gameblack-varsity-red)-420.html">jordan 12 flu game for sale</a></strong> GEL of ASICS, MIZUNO of WAVE, etc. They way different, the purpose but is a, which is trying to shake will cut, transfer, make you at running process feel comfortable and safety. Insole material, in addition to each brand used special patent technology, but most of the material use EVA or PU foam rubber and so on. It provides good elasticity and very light weight. Insole upgrade, it is the upper. This part of the direct and your feet contact (of course also across the socks). Its role as a protective sleeve, will your feet safe protection in them. Among them, the first is and you sole contact insole. To look shoe, you may find insoles appearance also pretty much. Indeed, this part also penetration high-tech. Such as insole material, general also use EVA, but surface after treatment, to increase the foot sweat adsorption and send out function. Also some insole can adjust the arch parts of the support, in order to achieve<strong><a href="http://www.airjordanretro9kilroyforsale.com/314259-131-air-jordan-5-retro-white-emerald-grape-68.html">jordan 5 grape for sale</a></strong> the most ideal feet and shoes with. Upper another part is the shoe. This part is the shoes in the design the most complex and difficult part. This is mainly refers to how to achieve shoes appearance, style and function of balance. Big sports brand, often quarterly all came out with many attractive new style, good let buyers pay package. From the function, this part of the main consideration is: breathe freely, comfortable, to the feet and ankles close protection, lace firm and convenient use, etc. Know the structure of running shoes, so how to make sure you need what running shoes? Look at sporting goods store, each brand also has several, even more than ten kinds of running shoes, first came to zha to buyers will inevitably dazzled. In fact, running<strong><a href="http://www.airjordanretro9kilroyforsale.com/136046-061-air-jordan-11-retro-black-varsity-red-white-133.html">jordan 11 bred for sale</a></strong> shoes from the function and use normally is divided into the following kinds: (2) running shoes classification First statement, here speak classification is most running shoes manufacturer for running shoes general classification. If there are other classification method, then the starting point might be different. Here are mainly on the basis of the classification of the users of a running shoes performance requirements and wearing USES to classification. Difference is mainly focused on the following: A. to users of the arch and heel support ability, B. for toe out and inside character 8 foot type corrective and protection ability, Cristiano sole is flat, D. shoes weight and stability, E. Running location of different conditions In such a difference under, running shoes can be divided into several kinds as follows. 1. The CUSHIONING - this type of running shoes mainly suitable for those who do not overemphasize on arch support and heel corrective function <strong><a href="http://www.airjordanretro9kilroyforsale.com/jordan-retro-9-9-1-12.html">Air Jordan Retro 9 kilroy</a></strong>runners. That is to say, if you physical examination, belong to the normal foot, and usually walking, running without excessive internal/external splayfoot phenomenon, and no appeared serious foot shot accident. And running posture habits general is a former foot touchdown. So, this type of running shoes is enough to provide you comfortable, elastic sense. In addition, general this running shoes weight is light, suitable for volume is small and beginners wearing. 2. STABILITY - this type of running shoes mainly suitable for those who need certain arch support and heel corrective runners. For instance you running have a slight toe out or inside splayfoot, or you running posture habits are after each step is foot touchdown, again or you at least every week to running exercise 4 or more times, and each time more than 3 km distance, your feet need to offer certain support protection. So this kind of shoes should be more suitable for you. This kind of running shoes weight than general CUSHIONING class to <strong><a href="http://www.airjordanretro9kilroyforsale.com">http://www.airjordanretro9kilroyforsale.com</a></strong>heavy some. Those who need a specification is, each brand production running shoes, majority belongs to CUSHIONING STABILITY or two. This also from that on the one hand, most runners have the characteristics of these two types. Moreover, these two types of shoes performance difference is small. 3. MOTION CONTROL - if you've proven yourself when running within splayfoot phenomenon (serious), or your ankle strength is poor (such as once a shot the foot injury), or your weight than standard weight lay particular stress on, or you running posture<strong><a href="http://www.airjordanretro9kilroyforsale.com/302370-020-air-jordan-9-retro-olive-2012-646.html">olive 9s</a></strong> habits golpe touchdown. So, this kind of running shoes should be more suitable for you. It can provide more than other types of running shoes to arch and heel support and