Dual Density Rubber Sole - one layer for high wear and great traction and one layer for shock resistant comfort.Triad heel design for corp-style marching.Full terry cloth and Tricot lining for great comfort and absorbtion.Full ¼ inch of foam padding in the insole.Forepart Pad & Flex Zone gives extra flex and cushioning under the ball of the foot.Padded Tongue with Lace Tab - keeps the tongue where it belongs, one the top of the foot.