adidas Kakari Light SG Rugby Boots Core Black Be first to the break down in these men's softground rugby boots. They feature a lightweight synthetic upper and a cage system that provides support for breaking tackles. SPRINTFRAME construction keeps you stable without weighing you down. Ultralightweight synthetic upper Cage system for optimum support Synthetic lining for comfort The SPRINTFRAME construction uses geometrical research and a new stud configuration to offer the perfect balance between light weight and stability Softground outsole To ensure optimal performance and traction, tighten studs correctly 10 mm heel raise for dynamic foot positioning Synthetic and leather upper / Textile lining / Synthetic outsole