Nike's continued materials experimentation has yielded Flyknit, their proprietary blend of "yarns and fabric variations [that] are precisely engineered only where they are needed for a featherweight, formfitting and virtually seamless upper." The benefits of employing materials in this way are 1) a lighter weight product, and 2) less waste, as the Flyknit materials comprise the bulk of the upper, and 3) combining the comfort of a sock with the structure and support of a traditional hard-material sneaker.
As the company explains:
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