Arena racing swimwear. Made of woven fabric, it is lightweight and highly water-repellent, but easy to wear, making it a good step before wearing high-speed swimwear. Two sets of size 140. As a bonus, I will also include a SPEED racing swimsuit size 150. All have been worn less than 10 times, and there is no deterioration of the Fina mark. The tags have names written on them, which will be blacked out before shipping. Please read the self-introduction and agree before purchasing. AQUAFORCE FUSION-Tri ARN-1011MJ ■ Manufactured and sold by: Descente Japan Co., Ltd. ■ Materials and Features 【Aquaforce Film Tri】 (80% polyester, 20% polyurethane) ＜Compression＞ ・Suppresses muscle vibration with compression unique to woven materials. ＜Pursuit of ease of movement and wearability＞ ・New material that stretches with 80% of the force. (Compared to AQUAFORCE FUSION2) 【Junior Half Spats】 Supports the thighs firmly. Suppresses muscle vibration and reduces resistance. 【Inseam: Above the knee】 【WORLD AQUATICS Approved Model・WA Approved Model】 World Aquatics (World Aquatics Federation) *Formerly the International Swimming Federation (FINA) The International Swimming Federation (FINA) is the international governing body for swimming competitions. The name was changed from FINA in December 2022 to World Aquatics. The "AQUAFORCE Fusion-Tri" series is recommended for swimmers who are trying woven swimwear for the first time. This is a FINA (International Swimming Federation) approved model required to participate in official competitions. It reduces muscle vibration with compression unique to woven materials. In addition, compared to the conventional model "AQUAFORCE Fusion2", it uses a material that stretches with 80% of the force, making it a woven swimsuit that is easy to move and wear.