Internal frame, multi-day back pack. 2 cubic inches. Unique because it has both access to primary pack from both leading and bottom. Bottom gain access to has drawstring and a zip pouch over it. Has several tie locations for tent, sleeping bag, pad. Two side pockets for waterbottles. Includes a rain fly. Utilized only when. Like brand-new condition. Glacier's Edge, now just makes camping tents. $200 obo.