I used it only once after purchasing it. I'm selling it because the size didn't fit. The retail price is 9240 yen. Mizuno black sports swimsuit, back-open design for comfortable wear. - Brand: Mizuno - Color: Black - Design: Back Open - Logo: Mizuno logo Thank you for viewing. This is a competitive racing swimsuit "GX・SONIC STREAM" made with Stream Fit Ribtex, a water-repellent and stretch knit material, which is an environmentally friendly material and achieves low resistance with a riblet structure derived from biomimetics. ■ Solid color scheme with plain switching ■ Inner lining specification ■ Approved by WORLD AQUATICS (International Swimming Federation)