The QD2 3.75 Alpha is a balanced small quad rear with a Ride Number of 6.5. Carbon and air infuse, making the Alpha's C6 composite material lighter than Honeycomb. The responsive flex characteristics of C6 combine with the neutral QD2 template and symmetrical foil making the set ideal for pairing with your favorite front fins, creating the ideal Quad option. All Alpha products are designed and manufactured exclusively in Huntington Beach, California.