This shoe was gently tried on and shows slight signs of use. Jacquard woven upper material: Improves airflow to help your feet keep cool. | The heel stabilizer: Helps support the foot and create a more balanced stride. | Gusseted tongue wing fit system: Improves the midfoot fit and reduces tongue sliding. | FF BLAST TURBO cushioning: Improves compression and creates a responsive feel underfoot. | FF BLAST PLUS cushioning: Provides lightweight impact absorption and a responsive rebound.