HIGH RANKING PACK: Continues to be the top selling internal frame backpack on Amazon at a great price for all the included features PERFECT BEGINNER OR QUICK TRIP PACK: Just right for youth and adults for light backpacking trips; best for 2-4 day adventures; 3400 cubic inches (55 L) capacity; weighs 4.5 pounds (2 kg) FIVE-STAR COMFORT: Multi-position torso adjustment fits wide range of body sizes; Durable open-cell foam lumbar pad and molded channels provide maximum comfort and airflow; Backpack for men and women