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 46cm, Width 34cm, Shoulder width 32cm, Sleeve length 42cm Black * I am not accepting price negotiations (desired price). I will lower the price at my own timing. * No pets / no smokers. * I do not use strong-smelling detergents/fabric softeners.