The skin on the palms and the soles of the feet is 4 mm thick and the thickest skin in the body, the heel portions of the feet being the thickest portions. It’s also got the most sweat glands than in any other area.

The skin on the palms and the soles of the feet is 4 mm thick and the thickest skin in the body, the heel portions of the feet being the thickest portions. It’s also got the most sweat glands than in any other area.