Tour Master Sentinel Rain Pants - Large/Black Waterproof and breathable Rip Stop Nylon shell with sealed seams is rated MVM 5000 for maximum breathability. Polyester mesh lining enhances air circulation and comfort. Waterproofbreathable stretch material panels above knees and in the inseam provide flexibility and comfort. High-density nylon seat panel provides added strength and minimizes slipping. Ergonomic, 4-panel knee design provides increased comfort in the riding position.