Double Gauze Long-Sleeved Pajamas with No Side Seams, Dark Navy We've removed anything that might irritate the skin, such as side seams and neck tags. The double gauze, made from softly woven organic cotton, is a material with excellent breathability and moisture absorption/release properties. It absorbs sweat while you sleep and is the perfect fabric for pajamas, keeping your skin comfortable until morning. It's very lightweight and allows you to relax your body. - Color: Dark Navy - Size: M - Material: Cotton Color...Navy系 (Navy-based)