All items are 100% authentic. Every single item was bought from Uniqlo.All items are brand new w/ tags unless otherwise stated.Please feel free to message with any questions.Sizing: https://www.uniqlo.com/ca/en/size/404878.htmlIf you don't know your measurements: The tee fits like a less boxy and ever so slightly shorter supreme tee. True to size if you like your shirts slim or size up one if you like it slightly baggy.