The Granite Gear CROSS TREK WHEELED 32″ features Repelaweave and repelagrid fabrics for maximum protection against elements. Rugged wheels with impact-absorbing wheel housing and bumper fortification. Hypalon corner protection and kick plate. Durable aircraft aluminum pull handle with rubberized grip. Ventilated, load-absorbing skeletal foam shoulder straps. Padded, tuck-away, load bearing hip belt to carry up to 70% of the load. Load stabilizing sternum strap. Adjustable load lifter straps to transport weight over the center of gravity. Durable water-repellent zippers and extreme water-resistant front pocket zipper. Padded comfort grab handles for easy lifting. Heavy duty compression straps for zipper and seam stress release. Zippered divider curtain for packing versatility. Expandable drop bottom compartment for 18% additional packing space.