Lots of harness models to choose from. Would this one meet your expectations? hxxp://www.homoware.com/harness/master-harness-xxxl-v2162 It's not exactly the same, but the one you posted might be custom-made; it's not that hard to make yor own.

Pas exactement ce modelle, mais : hXXp://www.rob-paris.com/rubrique.htm?universID=23&rayonID=80&rubriqueID=&first_result=2&nbItems=36&orderby= "harnais"