Shoe (10), in particular for a child, which advantageously has an unusually long lifetime, is of the type comprising a sole (12) and a upper (14), that define a determined fitting volume (V2), in which a determined length (L2) and a determined fitting (C2) are individualized, said shoe (10) comprising at least one removable, fittable spacer (20), which determines a reduced fitting volume (V1), in which a reduced length (L1) and a reduced fitting (C1) are individualized with respect to said determined length (L2) and said determined fitting (C2), respectively.