Gregory Inertia 30 Hydro Backpack

119.95 $119.95


Description: Gregory Inertia 30 Hydro Backpack

A generous 30 liters of capacity gives the Inertia 30 the ability to swallow enough supplies to handle any day trip you can dream up. With its included 3D Hydro Reservoir and comfortable padded backpanel, this versatile daypack is as ready for a scramble.

Key Features of Gregory Inertia 30 Hydro Backpack
  • External Material: 100% Nylon
  • Pack Body: 210D Honeycomb CryptoRip Nylon
  • Pack Bottom: 420D High Density Nylon
  • Lining: 135D High Density Embossed Polyester
  • Suspension: Multi-Density closed & open cell foam
  • Includes 3D Hydro quick drying, soft molded reservoir (3 Liter) with integrated drying hanger
  • Dedicated zippered hydration sleeve with SpeedClip hydration hangar for a one-handed, snap-and-go connection
  • Die-cut shoulder harness with magnetic sternum buckle and hose clip for the Drylock bite valve
  • Breathable die-cut backpanel and removable webbing hipbelt
  • Sunglass QuickStow system on shoulder harness for quick, secure and scratch-free access to your shades
  • Top zippered pocket with key clip and front zippered pocket with soft touch liner to protect valuable items
  • Front and dual side stretch mesh pockets for quick storage
  • Trekking pole/tool attachment with bungee closure system
  • Custom comfort-grip molded zipper pulls and molded webbing keepers for strap management
  • Activity Day: Hiking / Hydration
  • Compartment Access: Panel
  • Closure Type: Zipper
  • Number of External Pockets: 5
  • Hydration Compatible: Yes
  • Hydration Reservoir Included: Yes
  • Reservoir Capacity: 3L
  • Hipbelt Included: Yes
  • Trekking Pole Attachment: Yes
Size 30L
Fits Torso 16" - 21” / 40.6 - 53.3cm
Fits Hips/Waist 28" - 48” / 71.1 - 121.9cm
Weight 1.72lbs / 0.78kg
Volume 30L / 1831cu in.
Max Carry Weight 25lbs / 11.3kg
Packed Dimensions 20.1" x 12.2" x 10.25" / 51cm x 31cm x 26cm

3.0 / 5.0
2 Reviews
5 Stars
4 Stars
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1 Star
I recently picked up this hydration pack and love it. The 30 liter capacity is perfect for day hikes, weekend adventures and international travel. I can fit all of my backpacking gear in the pack for a day or weekend of use. Because this pack is 30 liters it will work great as a carry-on bag when flying. I love the common features like the multiple pockets, stretch mesh outer pockets and the suspension. The new 3D hydration bladder makes cleaning and drying easy. I found the bite valve a little difficult to use. Sometimes it was easy to get a good flow, sometimes it was not. One has to bite the mouthpiece in just the right location. A few additional color choices might be nice. I'm very happy with the backpack so far and look forward to many years of use.
July 10, 2018
Austin, Texas
Originally posted at
Mess Pockets
The fabric of the mess pocket are a light weight open weave that tear easily. Calls the pockets are swallow. Pack does not stand up to wear and tear.
December 8, 2018
Alberta Canada
Originally posted at

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