At the heart of this Geox Nebula trainer is design and performance and is the ideal solution for those on the go who want the very best of comfort and style. This is a shoe suited to any occasion thanks to the 3D performance unit of the sole, the net breathing system and the inner breathing system which work together to create practical, incredibly flexible, light and ultra comfortable footwear without ever compromising on style. The sole is characterized by a special configuration and designed to follow the foot's natural gait so it guarantees maximum grip, flexibility and cushioning.