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.- Uniqlo U has developed an original tightly knit 100% cotton fabric for kids' T-shirts. - Just the right thickness, smooth texture, and stylish puffiness for maximum comfort. - Relaxed cut. - Simple chest pocket. - Designed with a wide crew neck and slightly dropped shoulders. - Ribbed cuffs that wont stretch out even after washing. - Dresses up or down depending on the occasion.