The adult swimming cap made of polyester is designed to provide comfort and functionality while swimming. Its black color adds an elegant touch, while the polyester material ensures a good fit and durability. This cap is ideal for keeping hair close to the head, preventing strands from falling into the water. Additionally, it helps reduce resistance while swimming, enhancing speed and efficiency in your movements. Perfect for colder seasons, it helps keep the head warm, thus offering a more enjoyable experience during training or leisure time in the pool.