Structure The boot is made from the same material as the previous versions of Evopower, although it is distributed differently with this version. This is a synthetic material called Adaplite, used exclusively by Puma, and that has the peculiarity of being a longitudinally elastic material (heel to toe) but that remains unalterable in the transverse direction. This creates a similar effect to that seen with golf clubs or tennis rackets, causing a "catapult" movement on the foot at the moment of ball impact. Adaplite allows an optimum fitting of the boot and prevents it from widening. This synthetic material is mounted on a base of elastic material (elastane) which is like a...