BOOST midsole Imported Lace closure Push your game to the limit in these control-focused handball shoes. Their lightweight adidas PRIMEKNIT upper includes an internal support system for lateral cuts. Underneath, BOOST cushioning is surrounded by stabilizing EVA for energy return and stability. A 360-degree grip pattern on the rubber outsole bites down for game-changing agility. This product is made with a yarn that features 50% recycled polyester and 50% Parley Ocean Plastic - plastic waste which we intercepted from remote islands, beaches, coastal communities and shorelines in order to prevent it from polluting our oceans. In total, this product has 20% recycled content.