Shimamura Fiber Heat Long sleeve and short sleeve set of 2 The material for the short sleeve is 100% cotton. The long sleeve is 65% polyester and 35% rayon. The color of the long sleeve is difficult to see, but it's black and navy. Other sizes are also available. If you wish to purchase different sizes, please comment. If purchased separately, it will be 930 yen due to shipping costs. Shimamura Fiber Heat Long sleeve Short sleeve Girl Underwear 110cm