See pictures for markings on inside collar. The Adidas MLS Houston Dynamo Polo Shirt for men in size medium is an officially licensed product featuring the colors black and orange, representing the Major League Soccer team Houston Dynamo. Made by Adidas, this polo shirt is perfect for soccer fans looking to show their support for the team. Ideal for MLS events and tournaments, this shirt is a stylish and comfortable way for fans to represent their favorite team in the sport of soccer.