Ultrashield contains Pyrethrin, Sawyers is Permethrin.
All the different 'flavours' of Ultrashield are for spraying on animals as a temporary (thing bugspray) insect repellant. None of them are for treating fabrics and the ones I looked at, you wouldn't want the greasy stuff on clothes or hanging gear!!
I'm seriously thinking of doing a weekend cross border shopping trip - the list of what I can't get here or just hate paying the shipping fees for keeps getting longer and longer..