This is the Luna 55 + 10. This is an Expedition-quality backpack, often selling in the $300 - $400 price range. This is another very versatile pack which can be adjusted from extra short to extra tall. This model has a built-in hydration system, Daypack, Fanny pack, built-in rain cover/poncho, ice-axe holder, and tons of other features one would expect in an expensive pack. 3,500 - 4,100 Cubic Inch capacity with a weight of only 6 pounds. The only thing lacking is the expensive price. Our price is only $120, including tax. We will ship nationwide at actual shipping costs; no handling fee or mark up. PayPal accepted for order which are shipped.