Dual-layer midsole design: top layer CircleCELL foam delivers uncompromised performance, crafted from sustainable materials, while the rubberized EVA bottom layer provides support and stability. TUNEDFIT Dual Lacing System for separate lace adjustment. Wider base and higher sidewalls enhance stability during long runs. Recognized with APMA Seal of Acceptance for promoting good foot health Activity: Road Running Best for: Long-distance runs, multi-day runs, recovery runs, tempo runs