Women's RD-1X Runner New TYR’s L-1 allows for natural

TYR’s L-1 allows for natural foot movement and added power

and stability for a variety of training routines

Redefined - Building on the success of its predecessor

- Surge NRG+ Foam enhanced with supercritical foam for ultimate response and durable support for any movement

Women's RD-1X Runner New TYR’s L-1 allows for naturalThe RD 1X is equipped with the latest in foam technology, Surge NRG+ enhanced with supercritical foam for ultimate comfort, response and durable support for any movement. The lightweight upper continues to provide unrivaled airflow and response with added anti stain treated engineered mesh to keep you feeling fresh. A 10 mm heel to toe drop provides control for amplified acceleration moving you toward your goals faster.