"Natsu Hayate" (夏疾風) is the 55th single by Japanese boy band Arashi.

"Natsu Hayate" was used as the theme song for Netto Koshien's 100th Japanese High School Baseball Championship.

The limited editions feature a CD containing two songs and a karaoke track of the B-side song, as well as a DVD containing the music video and making of the single's title track "Natsu Hayate".

[2] "Natsu Hayate" was used for ABC High School Baseball Fight Song and is the theme for Netto Koshien.

As a special "Arashi x Yuzu" collaboration project, this song is expected to bring a lot of excitement to this year's momentous 100th summer Koshien tournament.