The Nike Free Metcon 4 Womens Training Shoes are perfect for hitting the gym, featuring a shaped ankle collar with a lace fastening that offers a custom fit, while a chain link mesh across the upper allows increased breathability and flexibility. Nike Free technology in the forefoot and ankle allows your foot to flex and move naturally. A flat wide heel gives a solid and stable base for lifting while a foam core cushions your foot, internal webbing helps to distribute pressure around the midfoot and a rubber tread to high wear areas ensures fantastic traction.