The present invention concerns a brace (1) for a bone district of a user (U) having at least a bone to be recomposed or to be maintained, as a clavicle (C) and the like, comprising a support (2), having an inner surface (211), intended to adhere to said bone district of said user (U), characterized in that said support (2) comprises at least one first (23) and one second (24) padding, arranged on said inner surface (211), said first (23) and second (24) padding realizing a longitudinal housing (25), in which the bone (C) of said bone district to be recomposed is intended to be positioned.