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Ultimate Direction Fastpack 20

Item # ULT14401M

Sale Price $119.95


You Save $40.00 25%

End of Season Clearance!

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Sale Price $119.95


You Save $40.00 25%

Availability: In Stock!

Ships tomorrow.

Availability: In Stock!

Ships tomorrow.
lightweight, streamlined Ultimate Direction Fastpack 20 enables hikers and
adventurers to push deep into the backcountry at a pace not possible in a
larger, more cumbersome pack.


Taking the streamlined design that has made Ultimate Direction Signature Series running vests so popular, the Fastpack 20 enables hikers and adventurers to push deep into the backcountry at a pace not possible in a larger, more cumbersome pack.

The Fastpack 20 is constructed of lightweight, but durable SilNylon and breathable mesh. Despite weighing just over a pound, the pack can effectively carry two full water bottles, a full hydration bladder (sold separately) and a ton of backcountry essentials. Padded/ventilated strapping 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. A foam interior pad provides cushioning and can be removed entirely to shave weight.  Dual sternum straps with sliding adjustability help you to really dial in fit. The pack is available in Small/Medium (24"-40" chest measurement) and Medium/Large (32"-46") sizes. NOTE: When full of gear, the vest will fit smaller.

The Fastpack 20 has one sizable 1403 cubic inch (23L) main compartment. A highly water-resistant, roll-top closure protects contents and enables the pack to cinch down to a compact 915 cubic inches (15L). 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 ideal for carrying two water bottles (sold separately).

The Ultimate Direction Fastpack 20 also features numerous lash points, including dual low-profile daisy chains, trekking pole attachments, and ice axe loops.

  • Patent-pending Infiknit harness is a continuous, seamless back panel and shoulder strap system to prevent abrasion and discomfort
  • Large, main roll-top compartment expands from 15L to 23L
  • Rear stretch-mesh pocket with low-profile daisy chain system
  • Water bottle compatible front pockets also fold flat to store other items
  • Dual adjustable sternum straps and side straps for stability and fit
  • Integrated side compression Z-straps for varying load capacities
  • Removable foam back panel for comfort
  • Available in 2 sizes


Best Use Hiking, Running/Fitness
Access Top-Loading
Volume 915-1403 cubic inches
Type Vest Pack
Sternum Strap Yes; Adjustable Position
Item Weight 1 lb 3 oz
Hydration Compatible Yes
Dimensions 20" x 11.75" x 9.5"

1 Item(s)

Very good pack

Likes: Excellent capacity. Very simple yet functional design. Love the small zipper pocket for wallet/keys/maps, etc.

Dislikes: Zippers a little sticky. Pack placed a lot of strain on the shoulders with more than 15 lbs. Sliding sternum straps don't move easily.

Reviewed by Robert C. - August 25, 2015