Coleman Exponent Livingston X50 External-Frame Pack Harness system adjusts to fit torso range of 13"-20"; hip belt fits 26"-36" waist Back panel with moisture-management mesh, quick-release buckles, and elastic sternum strap for easier movement Large external side pockets for additional storage; adjustable sleeping-bag sling 210D silicone-treated nylon diamond ripstop repels and sheds water Pack weight: 4 lbs.