PRIMAL Soles introduces the world's first circular cork insoles. Our premium, sustainable shoe inserts are incredibly light and provide maximum comfort, support, and posture correction. With hundreds of customer reviews and orthopedic research, Primal Soles has been designed by users of insoles for users of insoles. Get ready for the lightest step you'll ever take! Welcome to a life of maximum comfort, minimal footprint. Welcome to PRIMAL.