Nike Sense automatically adjusts stud length in your soccer boots

This new soccer technology Nike Sense is seen on the mercurial vapor superfly II lightweight football boots. These new soccer technology soccer boots feature Nike sense, a specially designed adaptive traction system that adjusts the stud's height depending on the conditions of the terrain. The first of its kind, Nike Sense uses this new technology to provide players with more traction in both wet and dry conditions, and to ultimately give them better acceleration. The technology actually reacts to the pressure applied by the player's foot and adjusts the stud respectively by up to 3mm to dig into the ground
Source :http://www.besportier.com