The book style opening design and the three large internal pockets with independent zippers, allow you to have all the material on hand, ordered and distributed as needed. The upper and lower parts are waterproof and built in a rigid anti shock and waterproof EVA shell. The tear-resistant, waterproof material, coupled to the padding material delivers maximum protection. High load carrying capacity of 84 lt. Design: Designed to offer maximum load capability, functionality and comfort, by our Team Members and produced to the highest standard. Fabric: Tear and water-resistant treated polyester, used throughout the range is lightweight but extremely durable. Zip: All zips through the range are specially strengthened and sturdy to withstand extreme use. Handles: Stiffened and padded handles help the transport and to spread the load for the maximum comfort.