Product Details THE GRAND DADDY BLACKOUT PACK: The largest pack TETON Sports has to offer includes the great design and high-quality construction you would expect from our company; set up for the longest and most extreme excursions; Dual aluminum stays provides structure and strength while an ultra padded lumbar region and adjustable back panel provide optimal comfort even when the pack is fully loaded; Size 90 Liters (89x38x43 cm): Pack weight 2.7 kg (with tarp poncho) 2.4 kg (without tarp poncho) INNOVATIVE DESIGN: Thickly-padded split dual wishbone waist pad with independent top and bottom hip adjustments offer a more customizable fit; Internal gear loops for hanging ropes and equipment, which can be easily accessed through the upside down "U" shaped front opening, or get into the main compartment from the side pocket opening; Large padded lumbar region; Torso length is fully adjustable, 40.5-56 cm TARP PONCHO INCLUDED: Love the free stuff--66D 3mm poly Ripstop tarp poncho with 2000mm water resistant coating can be used as a shelter, rope tarp, or poncho--30 dollar value The Grand 5500 was designed with extreme expeditions to peaks like Alaska’s Mount McKinley in mind. Developed with plenty of space for carrying all essential gear in rugged conditions. Dual aluminum stays provides structure and strength. The 5500 cubic inch pack features multiple gear loops, ties and compression straps for carrying anything from ice axes to trekking poles and from climbing rope to helmets. The pack also features configuration options for carrying snowboards, skis, snowshoes, as well as a removable daypack or toiletries pack. Main compartment access is easy from the outside with the help of a large upside down “U” shaped zipper that opens directly into the pack. A strong Oxford shell provides durability in the most aggressive situations. Webbing loops provide the poncho with six tie-down points.This is a large capacity pack developed by our Team of rugged adventurers to meet the demands of your longest and most extreme adventures. Weighing just 5 pounds (without the included poncho) you will barely notice it on your back, yet it can adequately carry all the gear you need for weeks in the backcountry. The 5500 cubic inch pack volume provides ample space with multiple gear ties and gear loops to make carrying extra gear externally very simple. The pack is setup for hauling all of your alpine equipment along with skis, snowboard, splitboard or snowshoes. Strong and rugged the pack shell is made from 420D Oxford. Oversized zipper pulls on the exterior pockets and main compartment zipper are easy to use even with gloved fingers. The Grand5500 provides superior comfort with the help of tension adjustments on shoulders, chest and torso adjustment to get a precise fit, and the aluminum stays provide strength and support right where you need it. The waist belt uses dual wishbone construction to hug your hips comfortably and a thickly padded lumbar area provides exceptional lower back comfort while two thick shoulder pads provide comfort and have air channels to maximize air circulation. An exterior Zippered Pouch doubles as a removable 3 liter day pack. Hydration compatible, the pack has a large Pouch for a 3 liter bladder with an integrated Velcro hang tab for easily hanging your hydration bladder.