To use these New Balance 1540V4 shoes, simply slip your feet in. The removable inserts can be adjusted according to your comfort needs. When walking or running, the ROLLBAR system will help keep your rear - foot stable. As for maintenance, clean the shoes with a soft brush and mild soap. Avoid using harsh chemicals as they might damage the lightweight textile and engineered - knit materials. Let them air dry, and don't put them in the dryer. If you want to replace the inserts, you can easily take them out and put new ones in. Remember, these shoes are great for daily activities, but if you're doing intense sports, make sure to check if they meet your specific requirements.
