Navy and white two-tone short-sleeved T-shirt, size M - Color: Navy and white two-tone - Design: Short sleeves, round neck - Material: 100% viscose - Size: M Thank you for viewing. Made of viscose, a type of rayon, this material is very soft and smooth to the touch. The sleeves are more like French sleeves than short sleeves, so I think it will be cool. Pattern/Design: Border Stains, tears, odors, etc.: None Color: Blue Shoulder width / Body width / Sleeve length / Length Shoulder width: 39cm Body width: 44cm Sleeve length: 15cm Length: 48cm