100% cotton V-neck cardigan with three-quarter sleeves. - Color: Black - Material: 100% cotton - Sleeve length: Three-quarter sleeves - Design: V-neck - Buttons: Front button closure Thank you for viewing. MUJI sheer cardigan. Made of smooth 100% cotton. Size M, but slim fit. Actual measurements: Width 40cm, Length 52cm, Sleeve length (from underarm) 30cm. How about using it to keep warm in the office? Only tried on. Unused, stored at home, but it is used, so for those who don't mind the details.