Isosceles Storage System™ carries all your boots, helmet, and gear Durable and tough, water-resistant coated 600 denier polyester Side boot pockets with air/water drainage grommets Coated water-resistant central compartment for gear Water-resistant tarpaulin bottom Closed-cell foam padded back Adjustable neoprene padded shoulder straps Internal zipper pocket for personal items Zipper mesh side pockets and top lid pocket Double locking, self-repairing nylon coil zippers Transpack XTR Boot Bag