The Bowless/Combo Top From Smittybilt Is The Most Adaptable Jeepâ® Top. When Hitting The Trail Hard On A Sunny Day And Clouds Roll In You Can Quickly Convert Your Smittybilt Bowless/Combo Top From An Extended Top To A Weather Protected Full Top. Convinience Is Factored In Due To Internal Storage Of The Removable Side Curtains. This Top Requires The Use Of The Factory Door Surrounds And Tailgate Bar, As Well As A Header Windshield Channel (Sold Separately.)