The C4 Waterman iSUP CMac ATB Inflatable Stand Up Paddleboard is the longest standing board in the iSUP line, and once you ride it, it will immediately become apparent why. Thanks to the squared off pin tail shape, The CMac is both stable and extremely maneuverable, which makes it perfect for the novice and advanced rider alike. The included thruster fin setup will enable you to get a surfy feel on the board whether you're on the river or ocean. Though it might seem squirrelly at first, you'll quickly become accustomed to this and grow to appreciate the maneuverability and control that it affords. With plenty of accessories included, the CMac is likely to become your board of choice for many of your water adventures.