• Avanti Quattro has set the standard for which all fins are measured, it was the world's first fin with four channels
• Mares' design was derived from observing marine mammals such as manatees in their environment, while swimming they bend their tail to form a channel, which optimizes thrust
• Its Channel Thrust Technology offers the most versatile choice in all diving conditions, stabilizers eliminate any ankle-twisting phenomena
• Anatomic foot pocket transmits more power to the blade