NIB all black Jolt 4 extra wide running shoes unworn Engineered mesh upper: Helps improve breathability Synthetic stitching on the overlays: Makes this edition softer and move with your foot better on the run AMPLIFOAM cushioning: Helps provide underfoot comfort The 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: