The 990v6 features performance-inspired updates. The upper design removes the standard midfoot sole, allowing pigskin and synthetic overlays to flow from heel to toe over a mesh underlay for a streamlined aesthetic. The midsole integrates Fuel Cell cushioning for enhanced responsiveness. Fuel Cell foam for propulsion ENCAP midsole cushioning with lightweight foam and durable polyurethane rim reflective details TPU heel tab mesh suede and pigskin synthetic
