NIKE Tiempo Rio Firm Ground Football Boots Lace Up - Provides a snug fit. Stitched Synthetic Upper - For a strong and durable upper. Moulded Soleplate - Adds stability, rigidity and strength with just the right amount of flexibility for firm ground play. Conical & Bladed Studs - Studs give superb traction underfoot on firm ground pitches. Padded Heel - For additional comfort.