Short sleeved. This way you won't sweat and it won't make you sweat during the day. Cotton is a natural fiber Made from pure cellulose. Cellulose is an organic substance created by synthesis in nature. It has low elasticity. Modal It's made from beech wood. It's a natural fabric made from the cellulose of the beech tree. It has a first-class softness. Moisture transfer is fast. Care Instructions Wash at maximum 30°C. Do not tumble dry. Do not use