Short sleeve. It makes you sweat. It doesn't make you sweat during the day. Thanks to the comfortable waistband, the pajama bottoms provide a perfect fit. Cotton is a natural fiber Made of pure cellulose Cellulose is an organic substance created by synthesis in nature. It has low elasticity. Modal is made from beech wood. It's a natural fabric made from the cellulose of the beech tree. It has a first-class softness. Moisture. It transfers quickly. Care Instructions. Wash at max. 30°C. Do not tumble dry. Do not bleach.