Wow! The roller shoes from Outsiders are super cool and easy to change from roller shoes to regular shoes. Click the wheel out and roll away on your smart Outsiders sneakers! The wheels are built into the sole and with a few steps, you can easily push it in and out when you want to roll and when you want to walk. It requires no tools. Padded heel support for optimal comfort and protection.Rubber sole37x25MM PVC wheels