The RD-1 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.

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

Features
-Engineered mesh upper
-Grooved outsole
-Molded sockliner
-10mm heel-to-toe drop

Material
- OBC supercritical midsole foam
-100% polyester engineered mesh upper
-2 mm EVA Strobel
-Rubber outsole

Fit small - we recommend going up 1/2 size