This is the SuitSupply Off-White Short Sleeve Crewneck It's a cotton/silk blend. I wore it once during a photo shoot in the summer of 2024. It's clean, and I am selling it as I reshuffle my house closet Clean, casual, and versatile, this off-white short-sleeve crewneck is tailored slim and has a gently ribbed collar, hem, and cuffs. This relaxed off-white knit is crafted in Italy from a soft, lightweight cotton-silk blend. This relaxed off-white knit is crafted in Italy from a soft, lightweight cotton-silk blend.