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Item # ULT1E203M

Ultimate Direction Men's Fastpack 20 Backpack

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Ultimate Direction Men's Fastpack Backpack Series

By Troy

Enwild Gear Specialist

The Enwild Difference

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Real People
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The Ultimate Direction Men's Fastpack 20 enables hikers, long distance trail runners, and adventurers to push deep into the backcountry at a pace not possible in a larger, more cumbersome pack.


The Ultimate Direction Men's Fastpack 20 enables hikers, long distance trail runners, and adventurers to push deep into the backcountry at a pace not possible in a larger, more cumbersome pack.

The pack is constructed of lightweight, high-tenacity fabrics that have a balanced combination of durability and breathability. Despite weighing just 20.8 ounces, the pack can effectively carry two full water bottles (not included), a full hydration system (sold separately), and a ton of backcountry essentials. Padded/ventilated straps and edging throughout the pack body provide a comfortable fit and breathable performance. Ultimate Direction's unique InfiKnit construction incorporates the shoulder straps and backpanel into a single, seamless piece that greatly cuts down on hot spots and maximizes comfort and fit by mirroring the contours of your body. Dual sternum straps with sliding adjustability help you to really dial in fit. The pack is available in Small/Medium (25"-40" measurement taken around the bottom of the ribs) and Medium/Large (30"-48") sizes. NOTE: When full of gear, the pack will fit smaller. A minimalist waistbelt is included for supporting heavier loads, but it can be removed entirely when not needed.

The pack offers 1428 cubic inch of total storage capacity. The main compartment has a roll-top closure that protects contents and enables the pack to cinch down compactly when not filled to full capacity. You can also access the pack without undoing the roll-top through a zippered front entry. An internal sleeve makes the pack hydration compatible (hydration system sold separately). Integrated side compression straps also help in load stabilization whether the pack is full or relatively empty. On the face of the pack is a large, elastic shove-it pocket that easily stows discarded layers and other essential gear. Large mesh side pockets are ideal for water bottles or other gear. On the chest portion of the harness there are multiple pockets, two of which are large enough to carry water bottles (not included). The pack also features numerous lash points, including dual low-profile daisy chain attachment points, trekking pole attachments, and ice axe loops.

The Ultimate Direction Men's Fastpack 20 is available in your choice of size and color options.

  • Large front storage for water, phone, maps, glasses, or food
  • Unique zip-down main compartment for total access to gear
  • Roll-top closure expands or compresses to secure varying capacities
  • Large external stretch mesh pockets for quick access
  • Sliding rail sternum straps
  • Height adjustable T-hook harness for weight distribution
  • Easy access pocket with key clip
  • Strong but breathable MonoRip Mesh straps
  • Daisy chains for securing extra gear
  • Two large side pockets for larger water vessels
California residents: view proposition 65  Warning

Technical Specs

Best Use
Hiking, Running/Fitness
Top Loading
Fits Torso
Small/Medium: 25"-40" (torso circumference measured around bottom of the ribs)
Medium/Large: 30"-48" (torso circumference measured around bottom of the ribs)
Frame Material
Foam Backpanel
Hydration Compatible
Sternum Strap
Yes; Adjustable
Torso Adjustment
1428 cu in
Limited Lifetime
Item Weight
20.8 oz

1 Reviews

5 / 5


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A Man’s Pack


Originally bought for hubby. He’s not a fan of bright yellow but that was only option at the time. The kids liked the color though, so to each his own. I decided I’ll try it before returning. I did 32 min of step ups and 50 minutes of walking the first day. The next day was 60 min walking and 30 minutes of step ups. And similar times for the following two days afterward. Everything loaded in it was 12.6 lbs. It was a surprisingly comfortable Carry even though it’s a male’s pack. My favorite feature are the elastic loops sewn into ends of straps to be rolled up if wanted.


Not only does Men’s version have more pockets than women’s the layout differs slightly. I have the Older women’s version and noticed the older version had more padding in the shoulder straps.