Nike pico 4 infant trainer the nike pico 4 infant trainer has a cushioned insole and a padded collar ankle to create comfort teamed alongside the two touch and close fasteners which create a secure fit to the trainer these nike trainers also have a non marking sole which is perfect for indoor activities the nike trainer is detailed with the nike swoosh branding kids trainers cushioned insole padded collar ankle touch and close fastening non marking sole nike branding upper