Fat Sac Automatic Venting Cap - W772 velocity 5% of the sun’s harmful

5% of the sun’s harmful rays

A one size only ride created for XL riders offering over twice the surface area of some of our other skimmers

Comfortable footbed

t-shirt fit

OUTER LAYER

Fat Sac Automatic Venting Cap - W772 velocity 5% of the sun’s harmfulAutomatic Venting Cap(W772): This is one of the few fittings that we do not make in house but still approve for use with FatSac brand sacs. The Automatic Venting Cap is primarily for use in automated ballast systems that are plumbed into the boat aftermarket. You can screw this fitting into the valve at the top of your sac and it will allow any air trapped inside to escape while remaining watertight. Made from 6 6 Nylon with a proprietary Heyco