COPA 20.4 FIRM GROUND CLEATS LEATHER CLEATS FOR AN ENHANCED TOUCH ON FIRM GROUND. Play harder, win bigger. Always demand more. Your touch. Your team. In these juniors' soccer cleats you'll transform them both. Their hard-wearing synthetic forefoot includes stitching that keeps the ball close. The outsole helps you show your class on firm ground. Step it up in adidas Copa 20.4 Firm Ground Cleats.