adidas Excelsior 6 Low rubber sole Stud arrangement helps avoid slippage and increase traction and performance Patented adiPrene+ cushioning in the forefoot is responsive and formfitting TPU (thermoplastic polyurethane) spikes are durable and sturdy Compression molded EVA (Ethylene Vinyl Acetate) in midsole provides flexible support Lace-up construction for personalized fit