A pair of swim goggles include a connecting frame being assembled with a left lens frame and a right lens frame and a head strap, characterized in that the left and the right lens frames respectively have a lens and a frame body, an upper side and a lower side of the frame body respectively provided with a track thereon, the connecting frame including a first rib and a second rib spaced apart from each other and respectively defining a connection part thereon for being detachably coupled with the respective track, whereby the left and the right lens frames are detachably and separately assembled with the respective first rib and second rib and therefore are slidable with respect to the first and the second ribs though the track.
