If you go into any decent ski shop, they will make a pair of heat molded insoles in a thickness to suit the amount of volume you need inyour shoes. They use a little foot oven thing to mold them. I cant remember them being that expensive (a lot more than £5 though).
Just a thought but....
If you go into any decent ski shop, they will make a pair of heat molded insoles in a thickness to suit the amount of volume you need inyour shoes. They use a little foot oven thing to mold them. I cant remember them being that expensive (a lot more than £5 though).