I've ordered a waterproofing spray from Halfords.  Apparently it's suitable for canvas/nylon.  Am I in danger or ruining my (v. expensive) Rukka gear?  Alternative appears to be have it  done by an outdoor/camping shop in Hemel which Motor Cycles and Moore recommended.  At £40 a pop for that vs £6 for spray, wot to do?  Or should I get it back to Rukka.   Now 6 yrs old, no longer guaranteed, I assume.  Any advice?
