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Overnight Packs 25 - 50L In Stock

Gregory Z40 Pack
Features of the Gregory Z40 Pack

  • Capacity: Md: 40 L (2441 cu in), Lg: 42 L (2563 cu in)
  • Weight: Md: 3 lb 4 oz (1.50 oz), 3 lb 7 oz (1.55 kg)
  • Material: 210D double diamond ripstop and 330D nylon oxford flatweave
  • Suspension: New CrossFlo DTS Suspension
  • Hydration Compatible: Yes, Dual hydration ports and sleeve
  • Adjustable Torso Lengths: m: 18
  • Number of Access Points: 3 - top, front, bottom
  • Custom Fit Options: Auto-Fit harness system
  • Gear loops: Dual axe/tool attachment points
  • Compression: Side compression
  • Removable raincover in zippered pocket
  • Front zippered pocket
  • Dual quick access waistbelt pockets
  • Dual axe/tool attachment points


Z40 Pack

Style Z40

Sorry, this item is out of stock.
Browse similar Backpacks by Gregory, clearance Gregory Backpacks, or click here for all Overnight Packs 25 - 50L.

The Gregory Z40 is the quintessential lightweight overnighter backpack that also works very well as a quick day trip daypack the Gregory Z40 backpack is the best backpack for the journey. This perfect backpack comes with CFS (Custom Fit Suspension). Twin aluminum stays are supported by horizontal cross stays, which ensures the backpack, will not barrel under heavy loads. Many zip through entry points and separate sleeping bag compartment. The waist belt and harness is ultra soft, quick adjusting, 3D, and has a 5-point angle, which provides the wearer with superlative comfort. The anti-slip, co-molded lumbar pad keeps the pack where you want it and keeps the weight evenly distributed from the pack to your hips.

product reviews

Gregory Z40 Pack Reviews

Average of 1 Reviews:


  • Water Resistant (1)
  • Lightweight (1)
  • Good Organization (1)
  • Good Design (1)
  • Durable (1)


  • Lightweight Backpacking (1)
  • Hiking (1)

  Gregory rocks

REVIEWED BY:    2014-05-09

"Only 3lbs, 4oz!! That was a selling point for my new Gregory Z40 pack. Lots of colors to choose from, I went with the bright yellow. This pack has great features for short and long distance back packing trips. "

  • Pros: Comfortable, Durable, Good Design, Good Organization, Lightweight, Water Resistant
  • Best Uses: Hiking, Lightweight Backpacking
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