My 3 labs are fed on Skinners lamb and rice, or sometimes the chicken and rice version if there is no lamb at the shop. I found it good value when feeding 3 hungry hounds!
I have this one from v-bandz. Velcro pocket rather than zip but it is great as fits over jacket in winter and tshirt in summer.
https://www.v-bandz.co.uk/category-2/LWH.html
They also do a normal tabard with zip pocket
https://www.v-bandz.co.uk/category-2/AMW.html
My late gelding injured his straight sesamoidian ligament, front leg, obvious swelling and lameness, diagnosed by scan. At this point I retired him (he was 22 with plenty of historical issues), he stayed out 24/7 and I would say it took him a good 8 months to come fully sound (was on and off...
Back in the day when I was a groom, we took a liveries horse to her wedding for her. We plaited the horse up and put roses in with the plaits. Nice and simple!
Aigle parcours iso 2, they are by far the best wellies I have had (have tried several different types of muck boots - not as good as they used to be!, Grubbs, Toggi and some others I can't remember). I use bama sokkets in them for extra warmth and to help stop sweaty feet (the iso are neoprene...
Just to note, my horse's keratoma did not show on xray.. but sounds like yours could be cushings related from what you have said. Also worth checking mineral balance, as that is what caused repeated foot abscesses in my late gelding.
I get the big 4 string bales, just gone up to £75 from £50. I don't have storage for more than 1 bale at a time and need 2 a month at this time of year. Hay man is reliable and will source in if he runs out, knowing the issues with supply, I'm happy to suck it up and pay.