Shoes made for skateboarding, other than having to be durable in order to be able to endure heavy hits and contact with the griptape, are especially designed to protect your feet from hits, your ankles, knees and even your back from impact. They usually achieve this with state of the art materials built in both the shoe and its sole for cushioning. If these materials are really worn out, to decrease risk of injuries, we recommend you to consider buying new shoes. Some signs that your old shoes are at the point of no return are: very slippery sole, the bottom of the sole has a hole, ripped eyelets for the shoelaces, shoe becomes easily loose and wambly. Skate shoes at Stay_K online skate shop.