As an undershirt, I wore it under long-sleeved T-shirts and sweatshirts. 100% cotton. No stretching, stains, or damage around the neck. ◎130cm Length 45 Width 32 Shoulder width 34 Sleeve length 42 cm White/Black * I do not accept price negotiations (desired price). I lower the price at my own timing. * No pets/smokers. * I do not use strong-smelling detergents/fabric softeners.