This therapeutic pain relief treatment gel brings soothing warmth to achy and sore muscles. This pain relief treatment can be used by everyone, from high-octane athletes to the average exerciser. Sombra Pain Relieving Gel warms muscles and skin without irritation and its cooling effect is controlled by an herbal, all-natural blend of ingredients. It is an alcohol-free, non-greasy, and non-staining solution, so no need to worry about staining your uniform or workout apparel.