Using these boots is a breeze. Just unzip the outer - side metal zip and use the hook - and - loop straps to adjust the fit around your ankle. For sizing, always refer to the conversion if you're in Australia. When it comes to maintenance, use a soft cloth to wipe off dirt. Avoid exposing them to extreme heat or moisture as it can damage the vegan patent leather. Since this is a pre - order item, be patient during the waiting period. In case we face any issues with your size from the supplier, we'll let you know immediately.