A Raglan Sleeve is a sleeve style that extends diagonally from the neckline to the underarm without a traditional shoulder seam, designed for ease of movement and casual comfort. Common elements include diagonal shoulder seams, integrated sleeve construction, relaxed or sporty silhouettes, cotton or technical fabrics, and frequent use in baseball tees, sportswear, and casual tops. The overall style emphasizes comfort, mobility, and sporty American-inspired aesthetics.