Hardtops are designed to replace or go hand in hand with canopy tops. They can also go on top of a boat when nothing is in place at all. The hard top is a structure that gives an added deck to your boat and has many benefits. It still gives you shade like a canopy top would however, you don't have to replace expensive canvas that rots, tears and fades over time. Unlike the canopy top you can walk on a hard top and have an added sun deck. You gain extra square footage and increase the value of your boat. Whether you are at the marina or out on the lake, sitting high above everything on a lounge chair enjoying the view is quite a noticeable difference.