Find the best material to make the shoelace for a pair of running shoes.
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Introduction I will study the properties of materials and consider how these properties affect the choice of materials for particular sports footwear. I will be investigating: * Grip * Density and Floatation * Weathering and Chemical Corrosion * Resistance to Wear * Strength * Stiffness * Collisions Properties required for footwear Heel Height The heel height of a running shoe is another viable in a fitting. Athletes with short calf muscles or a history of Achilles tendonitis should look for the highest heel available. So if somebody can't easily touch their toes from a standing position they should benefit from increased heel height. Heel Counter The heel counter is found in the back part of the shoe. It functions to provide support for the heel bone on ground contact. The counter should be as rigid as possible. Shock Absorption A training shoe should provide as much protection to your foot as possible. The shock absorption layer should provide good cushioning, without completely collapsing....


