J Crew Flex Washed Slim Fit Short Sleeve Button Up Shirt Men's Medium The J Crew Flex Washed Slim Fit Short Sleeve Button Up Shirt in Men's Medium is a stylish and slimming casual button-down shirt perfect for men. Made by the reputable brand J.CREW, this shirt features a slim fit design that is flattering and comfortable. With short sleeves and a variety of colors, this versatile shirt can be easily dressed up or down for any occasion. The medium size ensures a regular fit suitable for everyday wear.