arena-AQUAFORCE-Junior Half Spats Open Back-ARN-1010WJ\nThe “AQUAFORCE Fusion-Tri” series is recommended for swimmers trying fabric swimwear for the first time. It is a FINA (International Swimming Federation) approved model required for official competition. The unique compression of the woven fabric reduces muscle movement. Compared to the previous model, the “AQUAFORCE Fusion2,” it uses a material that stretches with approximately 80% less force, making it easier to move in and easier to put