82% Polyester, 14% Viscose, 4% Elastane, Plain Navy Blue, Casual Model, Standard Fit, Crew Neck, Long Sleeve, No Pocket, Winter Collection, Altnyldz Classics Collection Standard Fit, Regular Cut, Crew Neck Combed Hosiery, Size: M, Model Information. , Height: 1.89cm, Weight: 80kg, Product Code: 4A4823100001LAC. Washing Instructions: The temperature of the machine wash water should not exceed 30 degrees. It can be delicately dry cleaned. No bleach is used. Spread it to dry. It should be ironed at low temperatures. It cannot be squeezed in a centrifugal machine.