Fly High W719 Fat Sac
Build a bigger, cleaner wake with the Fly High W719 Fat Sac, also known as the Jumbo V-Drive Surf Sac. Designed for serious wakesurfing and wakeboarding ballast, this oversized bag adds up to 1,100 lbs of weight to help increase wave size, push, and overall wake performance.
Product Specs
- Model: W719
- Capacity: 1,100 lbs / 500 kg
- Dimensions: 50" x 24" x 24"
- Best Use: Rear V-drive compartments or above-deck ballast placement
Key Features
- Large-capacity ballast bag for building bigger wakes and surf waves.
- Designed to conform inside rear V-drive lockers for maximum ballast placement.
- Durable marine-grade vinyl construction built for repeated use.
- Flexible shape allows use in multiple areas of the boat when needed.
- Ideal for wakesurfing, wakeboarding, and dialing in your boat’s wake profile.
Why Choose the Fly High W719 Fat Sac?
The Fly High W719 Fat Sac is a go-to ballast upgrade for riders looking to maximize wave size and improve wake shape. With its massive 1,100 lb capacity and versatile 50" x 24" x 24" footprint, this Jumbo V-Drive Fat Sac is perfect for adding serious weight where your boat needs it most. Whether you are chasing a longer surf pocket or more wakeboard pop, the W719 helps transform your boat’s performance on the water.
We recommend the FATSAC Supa Tsunami Pump for the fastest way to fill and drain.

British Pound (GBP)
EUR (EUR)
Australian Dollar (AUD)
CAD (CAD)