Shimamura is selling fatigue-relief loungewear, undershirts, tights, and leggings under its private label, “Ikikiki Lab.”
The “Ikiki Lab” Fatigue Recovery Series features a print with mineral particles woven into the fabric; wearing these items is said to support fatigue recovery by promoting blood circulation through far-infrared rays. The fabric is highly stretchy and resistant to pilling, making it easy to care for.
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