adidas - Xtra Bases Mid Interchangeable (Black/White) - Men's: An outstanding and versatile cleat with replacement metal cleats for varied field surfaces. Synthetic leather upper for lightweight and durability. Non-slip lining for comfort and performance. Molded EVA sockliner with adiPRENE(R) plus insert in forefoot. Compression-molded EVA for lightweight cushioning. Lightweight TYPO outsole with TYPO and metal replacement cleats. C4S: 4x3 circular cleat configuration.