Whitewater rafts are quite different from other small, manned watercraft. You cannot simply purchase any inflatable raft and expect it to survive rapids. If you are going to get into this sport, there are a few things you should be looking for in your raft.
Plastic Polymers That Withstand Intense Pressure and Sharp Rocks
Whitewater rafts are made from special plastic and rubber polymers that can withstand the roughest of waters and the sharpest of rocks.