GORE-TEX upper repels water and keeps your feet dry in wet conditions: GEL technology improves impact absorption and creates a softer feeling at footstrike: At least 50% of the shoe's main upper material is made with recycled materials to reduce waste and carbon emissions: 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: Colour: black