if it is the sort of coating you get on the quilted barbours, then it also wears off after a while, though brompton claim to have woven it in at the fibre level so maybe not. velolution had some overjackets which looked nice, but think they've shut now.
if it is the sort of coating you get on the quilted barbours, then it also wears off after a while, though brompton claim to have woven it in at the fibre level so maybe not. velolution had some overjackets which looked nice, but think they've shut now.