These are hardboot urban inline skates designed for fitness and recreational skating. They feature a durable, impact-resistant polypropylene (PP) shell and a supportive cuff for stability. The design includes traditional lacing combined with a 45-degree ratchet buckle for secure foot placement and heel lock. They are equipped with a light aluminum frame and a removable, washable liner made of Lycra cotton, environmental protection leather, and thick sponge, designed for comfort and breathability.