Combining technology, comfort and personal style, The Nike Shox Turbo + VI iD Running Shoes will give you that extra boost on the track. With Nike Shox's revolutionary shock protection technology, this shoes provide you an optimal environment for cushioning, a responsive feel and a slow rate of impact loading which will reduce risk of impact-related injuries. Its Nike Shox columns are made of highly resilient foam that enhances durability and spring. Since team spirit is everything when it comes to sports, this shoe is customizable with independent left and right personal iDs. Get it before your opponent team does! Nike + featured cool technology that enables instant workout feedback when used with either a Nike+ SportBand or an iPod nano and Nike + iPod Sport Kit. Available in narrow, regular and wide fit. Also available is independent left and right sizing for maximum comfort and safety.