Dallas Cowboys #55 Zach Thomas White Jersey. Feel like part of your favorite team by wearing this Zach Thomas White Jersey by Reebok. This Dallas Cowboys jerseys is made of durable, quick-drying polyester diamond back mesh and showcases the screen-printed team name and player's number on the chest. The team-colored jersey features the player's name screen-printed on a sewn down nameplate at the upper back, with his number shown at the center of the back.