Geox presents Nebula, a new line of high-tech footwear with a chic design. These light and comfortable trainers feature an ergonomic design with an elastic multi-strip front fastening, and a revolutionary 3D Performance UnitFound in certain GEOX styles, the 3D Performance Unit is a type of outsole that utilises a series of distinct lug clusters to offer the wearer fantastic comfort, flexibility, stability and grip. rubber outsole that ensures enhanced grip. This breathable trainer is made out of light grey mesh and suede uppers with metallic details, and features an inner breathing system that allows heat to escape upwards through the lining. The nebula sole has been designed to be flexible while providing stability and cushioning.