Rubber sole Nike Free technology offers superior flexibility for agility moves and sprints. A flat, wide heel creates a strong base for lifting. Soft foam core provides optimal cushioning and bounce. Internal webbing evenly distributes pressure around your midfoot for optimal comfort. Rubber tread outsole offers maximum grip and traction at high-abrasion areas. Breathable mesh upper for ventilation Huarache-inspired strap to lock in your foot '90s rubberized Huarache logo nods to the iconic sneaker Rubber striped sidewall cradles the foot for added stability Nike Free technology enhances flexibility and agility Heel design is wide and flat to ensure a stable base while lifting Dual-density foam through the sole for a mix of durability and cushioning Rubber tread in high-wear areas The Nike Free Metcon 4 is imported. Push your training limits in the upgraded Women's Nike Free Metcon 4 Training Shoes. Combining the lightweight flexibility of the Nike Free and the powerhouse performance of the Metcon, these sneakers are designed to deliver agility and support as you level-up your workouts.