This Roller blade sleek design made from quality, durable parts, these skates are a great choice for all - from beginner to enthusiast. Great look - great performance: The outer boot is made from a strong plastic vented shell - in racing green with grey panels - hinged together for flexibility. Aeration holes keep your feet cool. The removable inner boot is made from padded, durable materials in yellow and black, offering comfort, safety and support. It has 3 AUTO LOCK buckles: Enable you to put on the skates in the minimum amount of time. They are highly durable, adjustable on the fly, maintain their hold and are adjustable for different levels of support in different areas. None of this is possible with lace-ups. These buckles also offer a clever, push-button locking mechanism to prevent loosening. Large sizes have 3 buckles, small sizes have 2 buckles The design of the wheels are great maneuverability and durability: the wheels are 60mm in diameter - a great size for quick turning or stunts, but equally suited to general use. The Polyurethane (PU) material used has a high durometer (hardness) rating of 84A, ensuring the wear on the wheels is slow and the wheels are long lasting. The wheels are designed with an open core inner, which reduces overall weight. Specially designed brakes are Interchangeable brake: made from a hard, black rubber with good stopping characteristics. It is currently mounted on the right foot, but can be remounted on the left foot, if preferred Understanding the skate sizes: To find the best fit for your foot, measure the length of your longest foot.