These paddles are often designed with T-grips which will help them control the paddle more easily. There are gasses in the board from the materials and the glazing.
There are two main types of grips: Particularly if you paddle in saltwater because the salt will crust up and again keep you from going fast.
You also need to decide how often you'll want to purchase a new paddle. Whitewater paddlers, expedition paddlers and stand-up paddlers will often look to see if this material has been added for protection. Based on your answer, the journey to your new paddle can be more focused or customized.