O'Neill Superlite CGA Vest 2011: The O’Neill Superlite CGA Vest, on the outside you get a nylon shell with a lightweight closed-cell PVC Marine foam core; on the inside you get a neoprene skin with strategic stretch panels that allow for more natural movements. The O’Neill Superlite CGA Vest provides Coast Guard Approved safety in a low-profile, lightweight, and form-fitting shell.