A Fishpond Thunderhead Submersible Sling Pack is ready for whatever you throw at it and carry the day’s essentials. If you have not yet gravitated towards the sling over concerns of sturdiness, capacity, or waterproofing, then the Thunderhead answers those issues. Rugged to handle the elements and the grit of the riverbed, the Thunderhead Submersible Sling is constructed of durable yet supple 900D TPU coated NewStream fabric made from recycled materials. The sling pack holds an ample 13 liters of storage space for all your fishing gear and carries attachment points outside for frequently used accessories. Stuff all you want to keep dry in the roomy main compartment and secure the hatch with a fully waterproof and air-tight Tru Zip zipper.