Sports shoes so these shoes are generally heavy

sports shoes so these shoes are generally heavyCompared with last sneakers shoes last, there is a big difference between the two in the shape change. In order to facilitate the movement of the foot, the movement of the front shoe last Rocker small changes concavity bottom heart is small, so that the last bottom of the curve is relatively flat rocker. In order to improve the capacity of the foot chamber capacity shoes, sports shoes last genetic circumference, and made the last type full, front and rear body to help the dorsal midline lasts a larger angle. One of the main components is the upper part of the shoe. For glossy shoes, to see 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, you should be careful to check whether its a short nap and uniform, it should also be consistent tone. About 2/3 of the people are not as large as two feet, which just remember which only grow short, when a pair of shoes to be tried on two feet. According to a slightly larger leg better choose shoes. Can not be selected based solely on the shoe to buy shoes or on behalf of the Trustee, be sure to personally try, because there will be differences specific to the last head of different sizes, styles, or brand model standard shoes. Later in turn cut a fresh animal skin wrapped the foot, and wrapped in animal skin will become increasingly hard, even mill feet, cut feet. Hand tools they use human bones made ??of stone or animal skin treated more softer, or switch to a more flexible material. They also found in the soles of the feet will be strapped bark, animal skins and even other substances, made with the sole shape substantially similar to their bondage again scattered and not easily punctured. 500,000 years ago, humans will be able to standing walking, running, however, until about 50,000 years ago ago, humans only know how to use the skins to make some simple clothing and shoes. When primitive man to catch the beast will foot with leaves, bark and even animal skin wrapped, is the oldest shoe shape. These things tend to run visor in scattered, so, humans gradually learn to shield Mixture even more firmly. Either broadly or narrowly sports shoes, must comply with the requirements of the characteristics of movement. Whether exercise or competitive sports, sports shoes are required to meet the movement mechanics, biology, ergonomics, kinematics, exercise physiology, hygiene requirements, but also to consider to help athletes improve athletic performance or create better athletic performance. Therefore, in the design and manufacture of sports shoes should fully consider the characteristics of the process of movement, which is different from leather shoes and other footwear logo.