Fly High Yamaha Jet Boats Custom 19 FatSac - C1062 - 650lbs Kids 3 discovered that a wakesurf

3 discovered that a wakesurf device’s performance can be measured by the amount of water it moves

Waterproof commander (IPX6) and module (IPX5)

Stretchable and Flexible Notched Hip for Improved Waist Flex

3 Boost Sac and most other solid ballast bags are in fact filled with steel shot

With max volume packed into each size

Fly High Yamaha Jet Boats Custom 19 FatSac - C1062 - 650lbs Kids 3 discovered that a wakesurfThe Fly High Yamaha Jet Boats Custom 19 FatSac is designed to be tied down to the swim platform step of your 19' Yamaha, adding 650lbs to the rear of your boat so you can get wakesurfing. Applications: Fits 2017 and newer 19' Yamaha Boats. How to use it: BEFORE filling the bag with water, fill the bag with air to establish your tie downs to secure the bag. Once you've established your tie downs you can fill the bag with water and be confident the bag