True to Size Fit Enjoy a snug, true-to-size fit that adapts to your foot shape for optimal comfort. Lightweight Carbon Board The carbon board insole offers lightweight cushioning, enhancing your marathon performance. Breathable Mesh Upper Experience unrestricted airflow with the breathable mesh upper, perfect for marathon runs. Unisex Design Designed for both men and women, these shoes cater to a broad range of runners. EVA Outsole Material Durable EVA outsole provides superior grip and support on concrete floors.