Warning! Tested by someone for whom it is the first facility dedicated to running. The point of comparison with simple jogging ... (in other words nothing serious though), so is the advantage of this shorty. Obviously, there is no picture: it is undeniable comfort to run with this type of equipment. It offers excellent support during the race and does not hinder movement, we feel total freedom of movement, very wearable. The terms "high tech" is a pure technological feat: the fabric allows heat and moisture regulation. In addition, he cut in machine, so an extremely simple maintenance. Perfect for the competition, to recommend to improve comfort, and perhaps performance ... ;-)