The product was created from yarn obtained in cooperation with Parley for the Oceans. Part of the yarn contains Parley Ocean Plastic ™ made from recycled waste collected on beaches and coasts before they hit the ocean Boys' tennis shirt made of a material that provides ventilation and free air flow. Designed for training or match. The fabric has a Climalite system that allows you to wick moisture and heat outside the clothing to keep the skin dry. Regular cut does not limit and does not restrict movement while playing on the court, leaving full freedom. Soft material does not cause abrasions or irritation. Adult version is worn by Alexander Zverev.