Durable 600D polyester construction for wear resistance. Adjustable cord webbing on top for securing extra clothing or loose items. Expanding drop down panniers offer adjustable storage as the load increases. Reflective accents increase visibility and safety after hours. MIK compatible rack top mounting system. Sealed interior liner can double as a cooler with the addition of ice. Rear oversized bottle pocket for additional hydration. Includes a high visibility rain cover