Fly High Pro X Series Fat Seat - W710 - 1,525 lbs Color:Gray the O'Neill Boost is built

the O'Neill Boost is built to perform and last many years thanks to its trilaminate full nylon ripstop material

Anatomical flex points throughout the vest allow the vest to move as you do

to 600 lbs

Once the PiggyBack system is installed

more performance fit just like a wetsuit

Fly High Pro X Series Fat Seat - W710 - 1,525 lbs Color:Gray the O'Neill Boost is builtThe Fly High Pro X Series Fat Seat Sac is designed for inboard boats that have a removable rear seat. The Fat Seat is huge and it's strong enough to sit and walk on. It has two arms that extend forward on either side of the engine compartment to add even more weight to the stern of the boat. Dimensions: Body 26 x 63 x 13 Arms 58 x 13 x 13 Unlike the more versatile, but smaller Rear Seat Sac, the Fat Seat is designed for one location in direct drive