【Materials】 Made of 100% cotton, providing a soft and comfortable feel. It's also non-iron for easy care. - Brand: Brooks Brothers - Size: S - Material: 100% cotton (flannel), non-iron - Model: Slim fit The inside of the right sleeve is discolored due to sun exposure. It's not noticeable in the light, but the color has changed when viewed closely. There is no problem with wearing it.