Suggested Retail:$25. Outdoor Products Vortex Backpack, Black. The Outdoor Products Vortex Backpack is a tough and reliable tool for all kinds of travel, especially outdoor adventure. The Vortex backpack features two oversize main compartments, with room for many kinds of equipment. A large front pocket with a built-in deluxe organizer offers additional storage. The pack's cool padded back provides extra ventilation to this hydration backpack. This Outdoor Products Vortex Backpack also features padded shoulder straps and an adjustable sternum strap for added comfort. Two side compression straps help balance out loads. The Outdoor Products Vortex backpack is hydration-compatible and the reservoir is sold separately. The lifetime guarantee ensures you will be using this Vortex daypack for years to come.. 7 DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 DAY ALTERNATE PICK-UP ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.