FATSAC V-DRIVE SURF SAC (400lbs) W713-Black optical masks Redesigned heat sink dramatically increases

Redesigned heat sink dramatically increases surface area

The XTX50 Octopus has a breathing effort control knob

If for some reason it ends up detached in the water

comfort and lightweight design

Made from 2mm stretch neoprene

FATSAC V-DRIVE SURF SAC (400lbs) W713-Black optical masks Redesigned heat sink dramatically increases400lb Fat Sac Ballast Bag (W713): The Fat Sac is one of the flagships of our stock lineup. At 42x16x16 it fits in quite a few different places and adds 400 lbs. of weight. Each Fat Sac comes with all the fittings youd need to use with our Supa pump(pump sold separately). Specs & Summary: 400 pound Ballast 42x16x16 Extra valve included! Now made with extra 4th valve at the bottom end, standard. Extra weight for surfing or riding Great for when boating