Adaptive stability and improved traction in every step. Move your mind with the Asics Men’s GEL-Kayano 31 shoe’s adaptive stability and premium comfort. ​​The 4D GUIDANCE SYSTEM™ helps provide adaptive stability. This helps you experience a more supportive and balanced stride during your distance training. ​​Its midsole implements FF BLAST™ PLUS ECO cushioning and PureGEL™ technology. These features make your distance training feel surprisingly smooth and comfortable.​ Surface – RoadHeel Drop – 10 mmWeight – 305 g/10.7 ozSupport – Neutral, Stability Cushion – MaximumEngineered mesh upperImproves breathabilityKnit heel pull tabFor easy on and off4D GUIDANCE SYSTEM™ featureHelps create adaptive stability for a more balanced strideRearfoot PureGEL™ technologyHelps provide lightweight cushioning and softer landingsFF BLAST™ PLUS ECO cushioning is made with approximately 20% bio-based content and helps provide cloud-like comfortOrthoLite™ X-55 socklinerImproves comfortReflective detailsDesigned to help improve visibilityHybrid ASICSGRIP™Improves the outsole gripThe sockliner is produced with the solution dyeing process that reduces water usage by approximately 33% and carbon emissions by approximately 45% compared to the conventional dyeing technology Asics Men’s GEL-Kayano 31 Blue Expanse/Digital Aqua