Volcom Girls Barkley Bib Overall. The powder friendly Barkley Bib Overall takes the wheel to keep your grom comfy. A 15,000mm / 15,000gm2 waterproof/breathable rating in addition to a V-Science 2-layer Shell and Critically Taped seams helps keep them dry. A Modern Relaxed Fit allows for layering if things get frigid. Complete with Grow-Tech that allows the pant to grow with them as it stays true to fit for many seasons to come.