Product Details Color: Blue Material: 50% Polyester, 25% Acrylic, 20% Nylon, 5% Wool Marked Size: 38 Flat Measurement: Width: 46cm, Length: 59cm, Shoulder Width: 50cm, Sleeve Length: 53cm (Please note that these are amateur measurements, so some errors are possible.) This is a thin knit, so it can be worn all year round.