Comfortable and versatile short sleeve tees for kids. Ideal for casual wear. The Uniqlo U collection is the realization of a dedicated and skilled team of international designers based at our Paris Research and Development Center led by Artistic Director Christophe Lemaire. - 100% cotton. - A versatile T-shirt with a stylish silhouette. - Meticulously designed cut achieves a perfect balance between the sleeves and body length. - Thicker ribbing at the neckline. - Subtle blind hem stitching at the cuffs and hem for extra comfort Size S. Black is XS but it’s oversized so can fit a S as well.