•55 lbs LIFT Air-Arch bladder with anti-abrasion Leatherback™ material
•Rapid exhaust and pull dump valvesv •Patented Web-Loc™ attachment system
•Ergonomic Padded shoulder strapsand adjustable sternum strap harness
•Brushed Padded Lumbar support with Neoprene Comfi-Collar™
•Mechanical release weight pockets (15 lbs capacity each pocket)