Geox Men, Geox Nebula Man Trainers Navy - Geox Trainers Discount The high-tech Nebula lace-ups are in soft grey suede leather with a contrasting sole and easy entry, fastened with elastic laces. The result of years of research, this is a shoe at the very apex of design and performance. So much more than a sneaker, 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 combine to create a practical, incredibly flexible, light and ultra comfortable shoe without ever compromising on style. Resulting from the fusion of a modern design with maximum comfort, Nebula represents the peak of GEOX technology.Designed for travelling the world, perfect for any season, they naturally adapt to every movement of the foot. This is the perfect shoe for those who love to travel with style and personality, without compromising on comfort. Wearing them is like walking on a cloud.The combination of the Net Breathing System and Inner Breathing System equips the shoe with 360° breathability, also thanks to the special lining that supports temperature regulation of the foot. Maximum flexibility, stability, comfort and grip are all guaranteed by the 3D Performance Unit, with a slip-on fit for easy wear.