Tripod apron -- supplier?

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It seems that Gitzo no longer make their tripod aprons. Robert White are unable to
get more stock of the larger model (G088L) suitable for my Gitzo 1325.

The Bogen apron looks a touch floppy by comparison.

I have read of other aprons being sold through eBay etc but haven't been able to track
one down. Does anyone have a recommendation? Alternatively, if you know a shop
with the Gitzo G088L in stock, please tell me