thanks for replies.
He is a chunky 13 week old, fairly long as well.
I think i prefer applix for its greater adjustability, however i had the wee fella in a fuzzi old style today for a long time because we were out and it held up well, no wicking or leaking at all and the inserts were sopping , so maybe snaps are ok too? For some reason i did not have any faith in the fuzzi but it was great and lookes comfy without the big applix on the greenkids. decisions decisions!