The Flex Form F3 has a high tensile strength, durable, lightweight construction, a flexform technology frame that enables the bag to stand fully upright and open for easy access, and a large main compartment that is held open by flex form technology. More features of this bag include an additional rugged tarpaulin detail for extra detail, a zippered front accessory pocket, structured organization end pockets, and a durable abrasion resistant base.... » read more