All of the Denim sleeveless shirts that we sell are made from top quality 100% cotton. The Denim sleeveless shirts are a great 6.5 oz. denim. The denim shirts feature double-needle cover stitching, wood tone buttons, a left chest pocket with button, a button down collar, and two extra buttons on bottom front. The Denim sleeveless shirts are available in black or stone washed blue at this time. The Denim sleeveless shirts come in sizes from Medium (M) all the way to 2XL. All of our Denim sleeveless shirts are First (1st) quality denim shirts. The sizing is quite accuate with regular t-shirt sizing. The sizes range from Medium - 2XL. You will love the quality.