The Men's Nike Green Oakland Athletics Authentic Collection Velocity Practice Performance T-shirt is the perfect way to show your support for the Oakland Athletics. Made from sweat-wicking Nike Dry fabric, this shirt will keep you comfortable and focused on the game. The screen-printed graphics feature the iconic Oakland Athletics logo, so you can show your team pride wherever you go. As part of Nike's Move To Zero initiative, this shirt is made with at least 55% recycled content.