ASICS Men's Turbo Ghost Track & Field Shoe 100% Synthetic and mesh Synthetic sole Pebax spike plate enhances running efficiency while providing superior traction on all surfaces SharkDuo heel provides traction on a variety of surfaces Open mesh upper provides superior ventilation and comfort Full-Length Lite SpEVA midsole enhances heel and forefoot cushioning with increased durability Removable pins allow the athlete to customize pin and replace worn elements