The present disclosure relates to a protective device (100) for protecting a head from impact, the device 100 comprising a shell (110) substantially formed in a dome-shape and having a first outer edge (1101); an inner layer (120) substantially formed in the dome-shape disposed within the shell (110), having an second outer edge (1201) and arranged at a gap distance in a direction of in the surface normal of the shell (110), at least one connecting member (130) interconnecting the shell (110) and inner layer (120) by interconnecting the first outer edge (1101) and the second outer edge (1201), an intermediary structure (140) comprising a plurality of deformable elements (1401) arranged in a single layer, wherein each of the deformable elements (1401), in an undeformed state, is arranged in simultaneous contact with the shell (110), the inner layer (120) and at least one other deformable element of the deformable elements (1401).