Catlike vacuum helmetthe catlike vacuum helmet is a mix of design and technology taken to the minimum expression the simple lines contrast with the use of the most advanced technologies taken from catlikes top of the range helmets features lower rear structure to fully protect the occipital area mps evo 4 in 1 offers 4 adjustments in a single fitting system ats air tube system reinforces the helmet structure for added protection and lightness weight280g s 290g m 310g lbuycatli