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HOKA designed the Kawana 2 to be a versatile trainer: wear it on a run, to the gym, or on a long walk. The thin, sock-like bootie helps reinforce the fit, and the single-layer mesh upper adds ...

Smith pioneered an alternative to EPS (Expanded Polystyrene) foam called Aerocore. It's a patented honeycomb-like design, which uses a material called Koroyd. Smith claims, in the event of a crash, ...