adidas' a3 Structure Technology proves that endurance can be built into your shoe, and for the long-term. Whether you're training in extreme heat, considerable cold, or for countless hours in both, a3 Structure Technology is designed to provide you with a consistently smooth, supportive ride. Through the use of advanced materials and a unique geometry, each element of the midsole unit has been designed to provide optimal cushioning and guidance, as well as an efficient heel-to-toe transition.
Alongside the a3 Structure is Adidas' a3 Energy Management System, which transfers energy from the sole of the shoe to your foot. This, in turn, provides a boost of energy for casual and competitive players, alike.
