If you&';ve got a four-season trail habit, the 4400 Southwest has the volume needed for cold weather gear, food and fuel for a week, or additional travel tools like a packraft. Ideal for weekend, section, or thru hikes where resupply points are less frequent and/or bulkier equipment is required. When the route is thick with vegetation, requires the occasional up and over immovable objects, and calls for "suck in your gut and shimmy through" type moves, the Southwest is the backpack you want up-close and personal. This pack family is made specifically for tough adventures that would rip most other ultralight-style packs to shreds. SPECS & DIMENSIONS MATERIALS DCH150 (Main Body & Bottom) INTERNAL VOLUME 70L | 4400 cu in. EXTERNAL VOLUME 9.8L | 600 cu in. WEIGHT 2.45 lbs | 39.2 oz. | 1111g LOAD CAPACITY Up to 60 lbs BACK WIDTH 10.5" | 26.7cm HEIGHT (FULLY UNROLLED) 38.5" | 97.8cm TOP CIRCUMFERENCE 45" | 114.3cm BOTTOM CIRCUMFERENCE 37.5" | 95.3cm MADE IN Mexico