Women's RD-1X Runner Size (US):6 - Carbon rubber outsole for

- Carbon rubber outsole for maximized traction and durability

The CXT-2 Elite was designed with a performance last and fits securely

it delivers unmatched energy efficiency

The TYRTAC™ outsole provides optimal grip and mobility

while the 21mm heel-to-toe drop deepens movements and increases stability

Women's RD-1X Runner Size (US):6 - Carbon rubber outsole forThe 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.