Closure for a container for liquids

A closure adapted to be applied to a mouth and neck portion of a container for liquid, the closure comprising:

• an inner part comprising attaching members for attaching the inner part to the neck portion of the container,
• a cap configured to reversibly attach to the inner part to close the mouth of the container,
• a first outer sleeve associated with the cap and having an outer surface,
• a second outer sleeve associated with the inner part and spaced apart from the first outer sleeve along a longitudinal direction, the first and second outer sleeves having respective adjacent edge portions and a retaining zone defined between the edge portions;
• an overcap comprising a top wall and a first side wall projecting from the top wall along the longitudinal direction, the overcap being configured to be mounted on the outer surface of the first outer sleeve;
• wherein the overcap comprises fixing members configured to fix the overcap to the first outer sleeve, the fixing members comprising:
• axial fixing elements configured to be retained within the retaining zone to prevent axial movements of the overcap with respect to the first outer sleeve, and
• rotational fixing elements configured to fix the first side wall over the first outer sleeve to prevent rotational movements of the overcap with respect to the first outer sleeve.