A backpackers backpack, The North Face Catalyst 75 is a large-capacity pack is ideal for multiday trips. A unique hipbelt configuration with two pivot points lets each side rotate independently, enabling subtle, asymmetric body movements on varied terrain. The comfort features of the Catalyst 75 include E-VAPtrade foam back and hip padding, ensure breathability and on-the-move comfort for continued use. Full right-side zip allows access to both main and sleeping bag compartment and the left side expandable pocket is ideal for holding bulky items. Internal mesh organizer pocket and adjustable compression system keep you organized even on long trips and with an internal mesh zip pocket in the lid, you know where you put your keys when you return to the car after a week-long backcountry adventure.