Feel Flows: The Sunflower & Surf's Up Sessions 1969–1971 is an expanded reissue of the albums Sunflower (1970) and Surf's Up (1971) by American rock band the Beach Boys. It was released by Capitol/UME on August 27, 2021 and was produced by Mark Linett and Alan Boyd. Feel Flows is the band's first major archival release since Wake the World and I Can Hear Music in 2018, and the first issued on physical media since Sunshine Tomorrow in 2017. The title is taken from the Surf's Up track "Feel Flows".