adidas Running Shoes aZ japan BOOST 3 Racing shoes designed for speed, the fastest marathon record in the world. The third generation of the model that set the men's marathon world record in 2014. The microfit last, designed to fit Japanese feet, provides an outstanding fit, and the combination of the BOOST foam's resilience and cushioning achieves unprecedented speed. This model features Continental rubber, boasting the highest level of grip, arranged in a web-like pattern to improve grip and stability during push-off. Running shoes for runners aiming for a sub-4 marathon. The shoes haven't been used much, so they are in good condition for their age. There are some inconspicuous stains and scratches, but overall they are relatively clean. Please refer to the images for details. [Brand] adidas [Model] aZ japan BOOST 3 [Color] Orange [Size] Men's 26.0cm [Purpose] Running