Size Adjustment & Suitable Users: Women's - S (22.5-23.0 cm), M (23.5-24.5 cm); Men's - M (23.5-24.5 cm), L (25.0-26.0 cm), XL (26.5-27.5 cm). For those who experience long-lasting foot fatigue, pain, and spend a lot of time walking – teachers, nurses, beauticians, cooks, salespeople, waiters, etc. 2. Applicable shoe types – sneakers, leather shoes, board shoes, safety boots, and Martin boots. *(You may feel initial discomfort in the arch area, requiring an adaptation period of about 7 days).* ☆☆☆★☆☆☆★☆☆☆★☆☆☆★☆☆☆★☆☆☆ #Rei's Shop 24-38 *Instant purchase welcome, silent purchase at midnight OK◎ *First come, first served for single items *Welcome to bulk purchases, feel free to comment *Free shipping! ⚠️We do not accept inquiries after the transaction is completed. Please contact us before giving a rating. *Please read the profile before purchasing!