I play a lot of hardcourt tennis.
I'm getting through one pair of (K-swiss) trainers every six months or less, because the lining on the inside of the heel wears out.
It's unusual. Usually the sole is the first to go. For these shoes however the sole is surprisingly resilient.
It's frustrating, because it's an expensive shoe, it takes weeks to wear in and become comfortable, and apart from this the shoe is in excellent condition and could last -- who knows -- maybe a couple of years?
There isn't much choice for hardcourt tennis shoe, and it's been hard work finding one that fits my foot, so when I do replace them it will be with the same model.
Is there some hack that will let me extend the lifetime for the next pair I buy?
Obviously some piece of material, but I can't think of a good choice or a good way to attach it.
I don't think I can sew through a trainer.