They are useful item when you wear a short bottoms and a leotard.
The abdomen, the buttocks, the thighs and the toes are transparent.
The ladder is hard to make.
Pressure: ankle 10hPa calf 6hPa thigh 5hPa
They have a measures against a stench of the feet, bacteria, static electricity and UV.
Material: nylon, polyurethane