This model is popular for its flexible design and is equipped with a midsole that provides cushioning, making it suitable for 400m races and hurdle events. It also has cushioning in the heel for hurdle events. ■ Upper Material: Synthetic fiber + synthetic leather ■ Sole Material: Outer sole/Synthetic sole (nylon) Plate/ Synthetic sole (nylon) Spikes/ Reverse columnar spikes 8mm: replaceable, metal (steel) = 7mm: fixed ■ Shape: Lace-up ■ Track and Field: All-weather and dirt track compatible, short distance ■ Weight per shoe (representative size): 180 g ■ Width: 2E Type...Spikes Size...25.5 cm Gender...Unisex