The Taco Mac Buffalo Wings Long Sleeve T-Shirt in size medium is a navy-colored shirt made of cotton with a regular fit and long sleeves. It features a crew neckline and is machine washable. The basic style and regular size make it a versatile and comfortable choice for men looking to add a casual and trendy addition to their wardrobe. Armpit to armpit about 20 inches and collar to bottom about 23 inches.