Serve for the oceans. From a collection adidas created for the world's most famous grass court tournament, this tennis shoe Adizero Ubersonic 4 highlights the problem of plastic waste. Designed for speed, the lightweight, form-fitting mesh upper is reinforced from the inside for stability when sliding and moving laterally. It features a Lightstrike midsole for excellent ground contact. Raise awareness and take action. Go to the Parley for the Oceans website to learn more, sign up and participate at adidas.fr/parley. The upper of this shoe is made from a high-performance fiber containing a minimum of 50% Parley Ocean Plastic, a material created from recycled plastic waste that has been collected from islands, beaches and coastlines to prevent ocean pollution. The remaining 50% is made from recycled polyester.