UNIQLO AIRism Shaper Shorts Support Type. 3XL 34 1/4-36 1/2 43 1/4-45 3/4. XS 22 1/2-24 3/4 31 1/2-33 3/4. This item is in Japanese size. Due to Japanese, US, and international regulations, declaring the item’s value as lower than its actual value or declaring it as a gift is prohibited.