Prestige This is one of our commercial grade center post aluminum umbrellas and is also available in mahogany or hard wood. The Prestige center-post umbrella is both elegant and robust and built to last with all parts interchangeable. The Prestige center-post umbrella is the choice for those who want durability and elegance. Featuring a large one piece aluminum or mahogany (hard wood pole), with corresponding ribs in either wood or aluminum providing the ultimate in strength. This makes for a durable commercial center-post umbrella. The beauty and the look of aluminum or wood with ultimate strength. 5