There has been a lot of discussions about Gecko headgear. Some members have expressed their "against" others their "for"
Suggest you do a search and look up the earlier posts.
I for one am "for Gecko" and their MK10 with the pneumatic liner is just a great helmet , fits all size heads - You should try it and the full face visor should give you the protection you require.
as for the full face model - then not sure about that one