An article of footwear, including a sole assembly and an upper, the article of footwear extending lengthwise from a rear end to a front end, widthwise between a lateral side and a medial side, and heightwise from the outer sole assembly to an upper end, the article of footwear including a first fitting element as well as a second fitting element. The first fitting element includes a first envelope and a first sole of the strobel type, the first envelope being fixed to the first strobel sole at least with stitching. The second fitting element includes a second envelope and a second sole of the strobel type, the second envelope being fixed to the second strobel sole at least with stitching.