Before we start to analyse the jewel that NIKE is offering us, we need to specify the meaning of the different concepts and names that the brand uses to differentiate its product ranges. So, with the NIKE PHANTOM VISION product name, we find the acronym DF to complete the name of the model, which basically refers to the Dynamic Fit of the collar that wraps the boot around your ankle (sock), and which specifies the type of sole that mounts the product in question. FG: natural grass SG (mixed): for very wet or soft natural grass terrain. AG: Artificial ground of the latest technology TURF (multi-stud): for different surfaces where less traction is required. All these variants can be f...