The insole is removable for maximum hygiene and non-toxic because it is lined with chrome-free leather and OrthoLite. Flexy System, durable and anti-slip. The Shaax children's trainers by Geox, designed to offer day-long comfort for youngsters' feet. The sole, with the exclusive Geox patent, is breathable and flexible, thanks to Flexy System, durable and anti-slip. The insole is removable for maximum hygiene and non-toxic because it is lined with chrome-free leather and OrthoLite. The upper in navy blue is soft and comfortable with a double riptape fastening making them quick and easy to put on. They are styled on running shoes but are versatile and casual, perfect for every occasion.