Half Sleeve Box ShirtY's Half Sleeve Box Shirt The "Y's born product" series features a tailored silhouette from y's, crafted with lightweight cotton twill. The short sleeve shirt with a standing collar has a wide body and boxy silhouette, ideal for pairing with voluminous pants. Its pocket and refined design balance casual and chic impressions, suiting various occasions. Lightweight cotton twill with a soft texture. Wide body, short silhouette for versatile styling.