: Fold rather than hang to prevent shoulder stretching, especially if the material is a heavier knit or jersey.

: To maintain the "M size" dimensions, air drying is highly recommended; if using a machine, a low-heat setting is necessary to avoid shrinkage. Availability and Alternatives

Sources: Ikusei Official Technical Brief (2024), personal track testing, and aggregated user data from Japanese tuning forums (Minkara, YAJ Blow).

The "Ikusei" spirit often aligns with the Japanese aesthetic of

For enthusiasts looking to purchase, it is commonly available through specialty retailers like Seaside Aquatics and other reputable aquatic supply stores.