This icon is depicting a person swimming. The only the top portion of the person is shown with three wavy lines beneath it to signify water. One of the figure's arms is raised whereas the other one is facing down.
This is the Swim icon for Windows 10
. Here we go. Optimized for 32x32 px, these are the simplest icons in the line style. Downloadable formats are PNG and SVG, among others. Icons8 icon pack is unique in providing a huge number of icons designed by the same team of four designers who create the new icons every working day in the same style and with the same quality. Same cool as the Bat Face, huh.