This racer top combines a polyester-spandex blend fabric with harness parts made of 100% TPU material. It is constructed without restricting movement through a half-zip at the neckline, an opening on the back, and thumbholes at the sleeve ends. It is suitable for occasions requiring free movement and a standout presentation.
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Why this product
Because it features both functional comfort and HYEIN SEO's signature bold cutout construction.
Combined TPU material harness
Harness parts made of 100% TPU material are added throughout the top, creating a unique visual effect.
Blend fabric designed for stretch
Made with a material blending 12% to 25% spandex into polyester, it stretches flexibly.
Construction considering cutouts and movement
It is crafted with bold cutout lines while ensuring that physical movement is not restricted.















