PUMA Mostro Metal updates the Mostro trainer with a metallic canvas upper and a studded outsole for bold, street-ready style with reliable traction. Key attributes: Gray | Silver | Canvas | Durable construction | Breathable upper | Enhanced grip and traction | Adjustable strap with metal hardware | Cushioned footbed | Ribbed ankle collar | Dramatic colour blocking | Studded/spiked outsole | Black leather overlays | Puma formstrip