Construction
Racing flats have only small or no heel lift and little padding or support. They allow a prepared athlete to use their natural foot strength, elasticity, and proprioception to run quickly.
A typical flat consists of just a nearly flat sole, and a minimal upper to hold it onto the foot. Frequently the thin insole is glued in place to reduce movement and weight. The uppers are often mesh so that moisture can escape, even on crosscountry variants.
Racing flats vary in weight, ranging from 7-8 ounces down to the mere 2.46 ounces of the women's New Balance 5000.
Read more about this topic: Racing Flat
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