最も arena(アリーナ) Amazon.co.jp: レーシング水着 RACING AQUA CompetitiveSwimwear

• Aqua Racing Fina approved model; Above knee racing
• Sizes: R130, R140, R150
• Size 130 (R130): Chest: 24.0 - 26.4 inches (61 - 67 cm), Waist: 20.9 - 23.2 inches (53 - 59
• Size 140 (R140): Chest: 25.6 - 28.3 inches (65 - 72 cm), Waist: 21.3 - 24.4 inches (54 - 62
• Size 150 (R150): Chest: 27.6 - 30.7 inches (70 - 78 cm), Waist: 22.8 - 26.0 inches (58 - 66
• Country of Origin: Japan or China

The AQUA Racing series is aimed for entry-level swimmers.
In addition to the thickness of the fabric and the stretch fit, it is chlorine resistant and long lasting and has a water repellent finish and sharp drainage.
Recommended for racing swimmers.
The printed design features a powerful wave pattern underneath the iconic Arena water.
Designed not only for racing, but also for other items such as caps, bags, etc.