Any question answered...

Gentle wash?
(I started looking through the dedicated swrve thread and saw people talking about nik wax etc, so thought I'd check)

Right. That's good, because that fucker's due a wash after >1year of London on it.

It must be humming!

The waterproofing goes after 3 or 4 washes but I've got some reproofing stuff that restores it, which I bought in Snow & Rock I think.