Nike White Non-Marking Lace Up Trainers Sneaker Size 4 Nearly NewNike Non marking soles are made from a special rubber or synthetic material that doesn't leave scuff marks or scratches on indoor surfaces like wooden floors or gym courts. They are essential for sports like basketball, volleyball, badminton, and indoor soccer. White Trainers with Sky Blue Tick & Tongue Logo these are Non Marking, Lace Up Trainers. Size 4 Euro 37. 5 Nearly New (No Box) see images. Do not look like they have been worn out but a mark on