You are buying what is in the pictures.Its not marked but I believe it is med-large size.The Black Aluminum Chain Mail Vest is a stylish and functional piece of clothing perfect for those interested in medieval and renaissance fashion. Made from durable aluminum, this vest features a classic chain mail design in a sleek black color. The vest style offers a versatile and comfortable option for those looking to add a touch of historical flair to their wardrobe. Perfect for reenactments, theater productions, or simply for those who appreciate unique and authentic styles.