The present invention relates to a garment for motorcyclists (10) comprising a panel (12) formed by two elastic inserts (14), each elastic insert (14) having a first portion (141), positioned underneath the respective armpit, along the side of the upper portion of the trunk, and a second portion (142), inclined upwards over the respective shoulder blade, and by an elastic band (16), crosswise positioned along the bottom portion of the back. According to the invention the two elastic inserts (14) are connected to the elastic band (16) by means of at least one not-stretchable element (18), running along the sides of the torso. Moreover the garment (10) comprises two further stretchable pieces (20), each stretchable piece (20) running along the inner side of the sleeve from the wrist up to the armpit and being provided with an extension (22) extending along the adjacent side of the upper portion of the trunk and joined to the first portion (141) of the adjacent elastic insert (14).