Full-clamshell main compartment opening for easy loading. 4-zip main compartment allows you to create specific top-bottom, or side entry points by positioning sliders where you want them. Padded harness and stowable waistbelt for added comfort and stability. Utra-wide 3L Lumbar Crux Reservoir moves water weight down to hips. Low-profile, laser-cut Mountain MOLLE panels on front and sides for secure attachment of accessory pouches.