Move your mind with the GEL-KAYANOâ„¢ 31 shoe's adaptive stability and premium comfort. The 4D GUIDANCE SYSTEMâ„¢ helps provide adaptive stability, promoting a more supportive and balanced stride during distance training. Its midsole features FF BLASTâ„¢ PLUS ECO cushioning and PureGELâ„¢ technology for a surprisingly smooth and comfortable ride. The shoe's engineered mesh upper improves breathability, while the external back heel counter enhances foot stability. The 4D GUIDANCE SYSTEMâ„¢ technology creates adaptive stability for a more balanced stride. Rearfoot PureGELâ„¢ technology provides lightweight cushioning and softer landings. FF BLASTâ„¢ PLUS ECO cushioning, made with approximately 20% bio-based content, offers cloud-like comfort. An OrthoLiteâ„¢ X-55 sockliner improves comfort, and reflective details are designed to enhance visibility. The hybrid ASICSGRIPâ„¢ outsole improves grip. This trainer is designed for running and features a synthetic fiber material.