The AQUA RACING series junior model is recommended for beginner swimmers participating in races. This is a WORLD AQUATICS (World Aquatics) approved model, necessary for participating in official competitions. The new AQUASTRIPE-D fabric improves the softness of the fabric compared to previous models, achieving a stretchy fit. The thick, reliable fabric is chlorine-resistant and long-lasting, with a water-repellent finish for sharp water repellency. The shoulder straps use the "easy-on strap" design, which is easy to put on and take off and less likely to slip. The wide opening of the shoulder straps makes it easy to put on, and the cross-back effect prevents slippage during wear. If you want to "test your skills in a competition," try AQUA RACING!