Please be aware, this PFD is not set up for helicopter hoist operations. The leg straps are primarily to hold it in place in swiftwater, where the power of the water can cause a PFD to rapidly rise up on the wearer. The quick release belt is for “live bait” rescues, where the rescuer is tethered, as the line plays out and become taut, the rushing water can over power the buoyancy of the PFD, forcing the rescuer under water. The quick release belt or “blow out” belt allows the rescuer to quickly disconnect from the tether. This PFD should only be used by trained individuals, as a Type 5 PFD, it is application specific.

Take a look at these PFDs:

PFD

Also consider a separate harness designed for wearing under a PFD:

CMC Harness

Pete