check out this retractable tonneau cover
The American Roll Cover is designed to expertly fit virtually every make and model of pickup truck sold today….simply stated, the American Roll Cover will fit your truck like a glove! This roll top bed cover has been uniquely engineered to adapt to roll bars, and accommodate many factory and aftermarket accessories.
The American Roll Cover is quite possibly the toughest, best-looking and best fitting retractable aluminum cover available today!
Discount Truck Acessories | New Truck Accessories 
Not only is this roll cover nice looking on your truck it so easy to roll back and its a heavy duty one. They say it will support up to 500lbs. I have one on my truck and have stood on it. I weight 175lbs.