HOKA ONE ONE Men's M Conquest Running Shoe Synthetic-And-Mesh Rubber sole Hoka Race-Lace System (RLS) features a bungee style closure. Advanced Comfort Collar offers a great step-in feel. Early stage Meta-Rocker is designed to promotes accurate foot roll through the gait cycle. Oversized midsole is up to 2.5 times the volume of standard running shoes. It is designed to provide shock attenuation, a sense of weightlessness, and a stable ride, while reducing fatigue in the runner's feet, legs, and core. Midsole Height: Heel/Toe: 29 mm/25 mm Differential: 4 mm