I bought these shoes earlier January, when it was winter. Could not rate them properly until just now after riding again. The air flow is really something. Not recommended for temperatures below 20°C. My feet actually became uncomfortably cold. Can't wait to use them for hotter weather.
サイズチャート
A. Place both feet on a sheet of paper. Draw a vertical line to mark the tip and heel end of your foot.
B. Measure the lengths of both feet.
C. Compare the length of the bigger foot with the size table to find your perfect shoe size.