Fly High FATSAC Yamaha Custom 21 Bag & Pump Combo (725lbs) Ballast Pump:235lbs/min Supa 3.0 Pump Its single BOA closure system

Its single BOA closure system provides quick

and a removable center fin can be used for ultimate grip

and the subtle 3D shaping in the tip and tail improves edge hold and stability without adding drag

and durable enough to withstand your countless surf sessions

Fly High FATSAC Yamaha Custom 21 Bag & Pump Combo (725lbs) Ballast Pump:235lbs/min Supa 3.0 Pump Its single BOA closure systemThe Fly High Yamaha Jet Boats Custom 21 FatSac is designed to be tied down to the swim platform step of your 21' Yamaha, adding 725lbs to the rear of your boat so you can get wakesurfing. Applications: Fits 2017 and newer 21' 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