The Roan Bib hits the slopes running with a V-Science 2-Layer Shell that achieves waterproof/breathable rating of 15,000mm / 15,000gm2 and Fully Taped Seams that helps keep the wet stuff out. If the sun comes out, you'll be thankful for the V-Science Breathable Lining System as it helps keep you cooler when things get warmer. A Modern Relaxed Fit and Zip Tech® Pant to Jacket Interface round out about everything you'd want on the mountain.