Described are methods for manufacturing a sole, in particular, a sole for a sports shoe, comprising providing at least one first sole element (110; 210) and at least one second sole element (130; 230); and injecting at least one second sole element (130; 230) through the at least one first sole element (110; 210). Also described are methods for manufacturing a shoe, in particular a sport shoe, wherein the method comprising: providing a flexible sock element (350; 450; 521) and at least one sole element (380; 480; 570); injecting the at least one sole element (380; 480; 570) on the flexible sock element (350; 450; 521), such that the at least one sole element (380; 480; 570) comprises a stiffening element (385; 485; 575) below the arch of the foot.