As May ushers in the start of summer, it is no longer surprising when extreme heat days arrive. This is a trend we've seen in recent years. From July, there’s an increase in extremely hot days, and even after the start of autumn in August, temperatures often remain high, lasting with sweltering days into September. In July 2023, the United Nations raised awareness of the phenomenon dubbed "Global Boiling," which we are likely to feel every day this year.
Choosing the right innerwear is crucial for comfortably enduring the extreme heat. Previously, "Millet" was renowned for its innerwear "DRYNAMIC" designed to keep the skin dry during mountain excursions, but it has also been proving its effectiveness against urban heat in recent years. Therefore, I visited
Millet Mountain Group Japan Co., Ltd. to talk in detail with developer Hisao Sakurai.