These incredible comfort heel pads are made in a slim profile designed to fit in almost any shoe, even those without a removable insole. Sorbothane (R) is a specially engineered material designed to absorb up to 94.7% of impact shock to your feet, snapping back into shape instantaneously to cushion your next step. Ideal for dancers, athletes, and those whose jobs require lots of walking or standing. The heel pads have a Poron (R) cover layer for moisture wicking and it's textured to be non-slip. You receive 1 pair of heel pads, new in the package as pictured on the left side of the image (we also show a pair of heel pads outside the package for display purposes). In three sizes: Small fits women's shoe sizes 4 to 7; Medium fits women's shoe sizes 7-1/2 to 11 and men's shoe sizes 7 to 9; and Large fits women's shoe sizes 11-1/2 to 13 and men's shoe sizes 9-1/2 to 14 (please specify the size you want when you purchase). Made in USA.