Speed material is used to push or drag your bag into the hole. This bag will move faster on the board, allowing you to dominate your competition.
Faster Side Average:
7.81
Faster Side Stationary:
7.69
Faster Side Sliding:
7.94
Slower Side
Description from manufacturer website
Control is designed to keep the bag on the board. This is the material that gives you the blocker bag when needed, but enough slide to attack an open hole, "that's what she said."