Features Toploader with storm collar for increased carry capacity Perforated Air-flow shoulder straps Three point adjustment ladder for S/M/L torso Breezeway suspension back panel Lumbar Control Point pad Description The largest pack in our Mountainlight series is built with separate sleeping bag compartment, front panel pocket/pass through window, side stash pockets, and tool mounts to keep your gear organized and accessible. With up to 70L (extended volume) of carrying capacity, this multi-day expedition pack can handle anything you throw at it. The innovative ICS Cup (Iliac Crest Shelf) hipbelt transfers and locks the pack load onto the hips, the Delta Wing Compression system pull the load into the lumbar region and focuses on the Lumbar Control Point pad on the lower back panel to fully secure the pack load against the user's major weight bearing point, the lumbar/sacrum region. All this while the Breezeway suspension back panel keeps you cool on the longest trail day.