Kid's Outdoor Soccer Shoes Adidas Kapuna TRX HG. Kick it in style with the Kapuna TRX HG. The soft, synthetic leather upper has an extended tongue that can be rolled over or stood up. Padded, brushed nylon collar keeps the ankle cushioned. The two-color, molded rubber outsole is built on the Traxion system. This outdoor soccer spike is made for youths who play on hard, natural surfaces. Color-Black/White.