I got some work boots from sport direct for about £30 and they keep your feet dry and they are quite warm to wear
I saw brashers there also they was next stop if these didnt work.
I know not on topic but waterproofs was another bain in my life I went through about 5 pairs last year, the expensive ones are to thin the cheap just fall apart.
There is a market for window cleaning clothes that the suppliers all seem to keep missing, i'm not talking about finding a pair of gloves ect and selling on, I mean designing something for us that works..seems that rocket science
I very rarely wear gloves as there are none on the market made for our industry that work, unger near have it they just need to make them thinner and keep your hands warm.