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Mountainsmith Scream 55L Backpack

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1 Review


An ultralight pack for multi-day trips.

Whether you're fast-packing through Colorado's Front Range or trekking the Appalachian Trail from Falls Village, CT to the Massachusetts-Vermont state line, the Mountainsmith Scream 55 Backpack offers lightweight performance and just enough room for the necessities. Ideal for fast-paced backpacking trips that require a light load, the Scream 55 is outfitted with a myriad of packing-friendly features ranging from its removable, foam suspension sheet to the lightweight and durable Robic fabric.

Weighing in at just over two pounds, the Scream features lightly padded shoulder straps and load lifter adjustment points that assure a fine-tuned fit while the padded, forward-pull waist belt further alleviates your load. Additionally, the waist belt boasts dual-zipper pockets that are smartphone friendly. An internal hydration sleeve is designed to accommodate a three-liter reservoir, and the roll-top closure makes it easy to access gear in a hurry. Not to mention, the two front storage pockets fit a small, lightweight tent, and the side mesh pockets store most 32oz water bottles.

  • 100D Robic nylon ripstop
  • 610D Cordura HP
  • 210D nylon embossed liner
  • Fixed shoulder straps with load lifter adjustments
  • Removable, rigid foam sheet
  • Weight capacity up to 45lbs
  • Roll-top access
  • Hydration system compatible
  • Dual-side zippered pockets
  • Side mesh pockets
  • Compression straps
  • 3M reflective cord
  • Item #MOU002Q

Tech Specs

[body] 100D nylon ripstop, [bottom] 610D Cordura HP, [lining] 210D nylon
55L (3350cu in)
Anvil Airway EVA
Waist Belt
Hydration Compatible
2 zippered waist belt, 2 mesh side
Gear Loops
Weight Capacity
45 lb
24.25 x 10.75 x 8 in
Claimed Weight
2 lb 4 oz
Recommended Use
ultralight backpacking
Manufacturer Warranty

Tech Specs

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The Mountainsmith Scream 55

  • Familiarity: I've used it several times

The Mountainsmith Scream 55: the ultralight backpack for those who wish to carry more than the bare, 3-season essentials.

I love the look of this pack. It takes the classic look of ultralight backpacking (dyneema-like fabric and roll-top closure), and attaches a durable frame. This is a pack is made for the hiker who wants the miles to fly under their feet, and look to carry more than your stoveless thru-hiker.

Areas for improvement:
The two tubular pockets on the front of the pack are an interesting design choice. Stylistically, they stick out like a sore thumb. Most comments I have received about this pack from fellow hikers on the trail concern these pockets and their apparent awkwardness. They distribute weight within our pack further away from your center of gravity, and are impractical for this reason.

The Mountainsmith Scream 55


For hikers looking to carry minimal weight on the trail, the Scream 55 backpack is a lightweight foundation to your backpacking kit. Weighing in at just 2 lbs 4 oz, this bag still offers superior durability thanks to the use of Robic fabric. The way that the fabric is woven keeps the fabric from ripping further when you encounter and unfortunate puncture. This quality fabric brings peace of mind that you know it can be easily repaired and will not fail you on the trail.