What makes Whatta Man by I.O.I notable?

The song was a commercial success, topping South Korean charts and becoming a summer anthem for fans. It also garnered critical acclaim for its empowering lyrics and lively production, contributing to I.O.I's reputation as one of the standout groups from their generation. Released on August 9, 2016, 'Whatta Man' was I.O.I's final single before their disbandment, following their successful debut mini-album. At this point, the group had already gained significant popularity through the reality show 'Produce 101,' and this track solidified their presence in the K-pop scene.