Engineered mesh upper: Improves breathability. 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: Full-length carbon and TPU plate: Add structure and improve toe-off propulsion. FF BLAST PLUS cushioning: Provides lightweight impact absorption and a responsive rebound. Colour: blue