- High quality materials: The microfiber upper is tear resistant and sturdy, with a dense breathable perforation design for comfort and ventilation. It provides effective heat dissipation and durable performance without clogging. The EVA midsole with a rubber outsole offers light cushioning and both wear and slip resistance. - Durable and robust: PU infused wheels deliver high wear resistance and elasticity for stable, durable rolling. A stitched steel frame provides stability and can support up to 150 kilograms. - Two-in-one roller skates: A versatile design that combines walking, skating and sport. With a single action it switches into wheel mode and back to a regular shoe, making it convenient for kids and beginners. - Size selection: This is a standard size; choose according to the size chart. If your feet are wider, select a larger size. If you prefer a looser fit, it is also recommended to choose a larger size.