FatSac Fat Seat

FatSac Fat Seat

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The Fly High Pro X Series Fat Seat is designed to place a large amount of ballast in a small area. This wakeboard ballast bag replaces the rear seat cushion in direct drive inboards to increase the ballast in the back of the boat by more than 1400lbs. With just this one bag and some weight in the front, you can have all the wake you need!

The Pro X Series represents a transformation in wakeboard ballast bags. The Pro X Series is the first product that was designed from the ground up for use in wakeboard boats. Because of that, every aspect of construction, design and materials was analyzed to create the most durable and user friendly wakeboard ballast setup ever offered. If you're tired of dealing with leaky bags that take a long time to fill and drain, check out the Pro X Series Bags. Once you use these sacs you really will agree that all other wakeboard ballast bags are obsolete.


  • Integrated Design: The Fly High Pro X Fat Seat ballast bag is designed to replace the rear seat in all direct drive inboards with a massive amount of ballast.
  • Quick Connect Fittings: Stop messing around with blue waterbed fittings that leak and are hard to connect.
  • Welded Thread Fittings: The threads in these bags will never fail and are guaranteed not to leak thanks to an integrated O-ring seal.
  • Valmex Material: One single layer of tough material makes punctures and abrasions a thing of the past and ensures you don't have to mess around with liners and inner covers. This rugged material is also anti-bacterial to reduce mold growth.
  • Welded and Taped Seams: The seams on these bags will never fail and are guaranteed not to leak.
  • Single Layer Construction: No longer search for an inner bladder valve, just connect, pump and go.

*The Pro X Fat Seat will fit in all direct drive boats with a removable rear seat

  • Dimensions: Main: 26 x 63 x 13 Arm: 58 x 13 x 13
  • Weight Capacity: 1100 lbs.


  • Model: W710
  • Manufactured by: Fat Sac


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