Here is a tip I read online on how to break in your new pair of shoes. I have had splinters on the back of my leg when I wear my new shoes. It is worse if the shoe is made of leather. Hope this trick helps. All you need to do is wear some thick socks, then stretch the shoes onto your feet. While wearing like, heat the shoes with a a hair dryer for about 10 minutes. Aim the hairdryer on the tight section for a few seconds. It is that easy.