This set is part of the Jordan Brand's children's clothing collection, typically designed to offer a sporty, comfortable, and stylish look. The "arched" design could refer to the bold, curved graphics or branding featured on the apparel. The "tricot" fabric is a smooth, durable material commonly used in sportswear. This set likely includes a jacket and matching pants, designed for both casual wear and light athletic activities, providing children with comfort and mobility. It combines the iconic Jordan aesthetic with functionality.