Solemates Sport Blister Blocker Anti-Friction Balm with Odor Block .15oz. New in box. Blister Blocker Sport prevents blisters that form from long-wear or intense use in your skates or gym shoes. The all-natural balm also works on hands, shoulders and chests - anywhere where friction might occur. By applying a thin layer to whatever area feels raw, you can protect your skin from friction born blisters and remain comfortable and confident to compete at your highest level. Check out my store for more great deals available!