The Fin Fun Mermaid Monofin in blue trim black is a high-quality swim fin designed specifically for junior swimmers ages 6-11. With a sleek design and durable construction, this fin is perfect for water sports enthusiasts looking for comfort and performance in the pool or at the beach. The blue trim adds a fun and vibrant touch, making it a popular choice among young swimmers who want to stand out in the water. Made by Fin Fun, a trusted brand in the industry, this monofin is a reliable and stylish choice for young swimmers.