Our baseball jerseys are made of 100% polyester.Its technology is made with interlocking, moisture-wicking fabric to keep you cool during the baseball game.<br /><br />100% SATISFACTION GUARANTEE, we believe in our products and quality. We stand behind every item we create with pride and confidence.<br /><br />This solid color black baseball jersey shirt is perfect for custom logo, text, activity or event title on it, great for your baseball softball basketball team activity, dance hip hop performance, school uniform, casual daily wear, etc!