In reply to reo_rebornUK:
Very sorry that lack of insoles is limiting your walking.
FWIW I think whether boots cost £25 or £250, they tend to have remarkably poor insoles/inserts. I replace them with my own.
The green superfeet rigid insoles have kept me walking/mountaineering despite serious tendon issues. I just transfer the same ones into every pair of shoes (like everyone else I see from this thread!) I’ve never needed to cut them to size, but Mr Badlands does, so it’s a matter of luck.
Unfortunately they cost about 40 quid which I appreciate may be completely impractical - tho they do last for ever, as as you don’t mind a bit of a smell.
Of course, everybody’s foot and mobility issues are entirely different. Gel inserts might be better for you. Has what’s left of our NHS managed to prescribe you orthotics?
Decathlon do good quality and good value inners, so might be a good place to start?
Finally, are you a big or small size ten? We have bits and bobs but more size 9 or 9.5 I’m afraid.