This may be random, but I have quite a few friends who are avid Skateboarders.
Skateboarders are always doing board tricks and slamming down hard on their boards often from several feet high.
The typical skatboarding shoe is completely flat at the bottom (to properly rest on the board) and has no support in them.
I worry that with all the pressure and jumping that these skateboarders do in their sport will cause injury and damage to the foot.
Is there something you would recommend to help them out?