The 17th version of the ASICS GEL-Kayano running shoe maintains the classic ride and platform comfort that has made the series an icon. Mesh and synthetic leather upper. Asymmetrical lacing design helps reduce the potential for irritation and offers improved comfort and fit. ComforDry sockliner provides cushioning performance and antimicrobial properties for a cooler, drier, healthier environment. Impact Guidance System employs linked componentry that enhances the foot's natural gait from heel strike to toe-off. Guidance Line vertical flex grooves decouple the tooling along the line of progression for enhanced gait efficiency. Discrete Heel Unit takes the I.G.S. to a new level by creating the highest degree of shock attenuation and stability. Space Trusstic System creates a pocket between the Trusstic system device and the midsole, allowing for controlled midsole deformation and more efficient foot function. DuoMax support system is positioned to enhance support and stability.