Stiletto Heel

A stiletto tapers to a metal-cored tip that can measure under 1 cm across, and your whole body weight passes through that point. The pressure underneath is extreme. A walking adult on a stiletto tip can exert more ground pressure than an elephant's foot. That is why stilettos dent softwood floors and spear straight into lawn. That physics is also the appeal, since no other heel draws as fine or as long a line.

Balance works against you the entire time. The ankle corrects constantly on what is nearly a pivot, and the correction never stops while you stand. Construction separates wearable stilettos from dangerous ones. A quality shoe runs a steel shank, the stiff bar hidden inside the arch of the sole, from heel seat to midfoot. That bar holds the heel rigidly in line with your leg. Without it the heel flexes and splays outward within months, and the shoe grows less stable with every wear. Press the arch with your thumb; if it gives easily, the shank is inadequate for this heel.

Against every other type, the stiletto buys the thinnest, most elongating profile available and pays in everything else. A kitten heel keeps the profile at a walkable height, and a block matches the height while abandoning the profile. Tips, the small rubber caps at the very bottom, wear fast and expose the metal post beneath. Replace them at the first click on hard floor: a few dollars at a cobbler, against a ruined heel and no grip if you wait.