The advanced Techknit 3D construction of TYR’s RNR-1 Runner provides the ideal amount of airflow for reduced moisture and better breathability as you add up the miles.
SurgeNRG+ foam, enhanced with Pebax®, adds durable support and comfort, while a carbon rubber outsole, gusseted tongue, and beveled heel deliver a secure fit with excellent traction and stable landing control.





















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