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The Sundown was born from our desire for an ultralight backpack that could do it all. We wanted a pack that would excel on long trails, comfortably carry loads for a range of trip lengths, and transform into a daypack for everyday use. The Sundown is the result. Weighing in at roughly 1.6 pounds, the Sundown is light, sleek, and versatile. Featuring a removable hipbelt and aluminum frame, as well as volume reduction capabilities, this pack can morph to fit any occasion. For quick access storage, hip belt and shoulder strap pockets are available separately.

All Northern Ultralight gear is designed and crafted in Nelson, British Columbia.

See below for tech specs, sizing information, and customer reviews.

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  • Lightweight and durable materials

  • Easily removable hipbelt and frame system

  • Volume reduction components for use as a daypack

  • Main body comprised of waterproof fabric

  • Roomy side pockets with capacity for multiple water bottles

  • Large front stretchy mesh pocket

  • Ice axe attachment mechanism

  • On-the-go water bottle attachment loops on shoulder strap

  • Built-in whistle on sternum strap buckle


  • Total approximate capacity: 46 Liters

  • Main compartment: 36L (able to fit most bear canisters)

  • Side pockets: 5L

  • Front mesh: 5L

Standard weight (with size medium hipbelt)

  • Small: 1.56 lbs | 24.9 oz | 707 grams

  • Medium: 1.61 lbs | 25.8 oz | 730 grams

  • Large: 1.67 lbs | 26.7 oz | 757 grams

  • Tall: 1.74 lbs | 27.9 oz | 791 grams

Frameless weight (without frame and hipbelt)

  • Small: 1.10 lbs | 17.5 oz | 497 grams

  • Medium: 1.12 lbs | 17.9 oz | 507 grams

  • Large: 1.14 lbs | 18.3 oz | 519 grams

  • Tall: 1.19 lbs | 19.0 oz | 539 grams


  • Main Body: X-pac X21 RC

  • Bottom Panel: X-pac X42 RC

  • Side Pockets: 210D Nylon with Dyneema ripstop grid

  • Front Pocket: Heavy duty lycra mesh

  • Straps: 210D Nylon with Dyneema ripstop grid, 3/8" foam, 3D spacer mesh

  • Hipbelt: 210D Nylon with Dyneema ripstop grid, 1/4" foam, 3D spacer mesh

  • Back Panel: X-pac X42 RC, 1/4" foam, two removable aluminum stays

X-pac fabrics are waterproof up to 200 psi, however due to small holes at seam locations, we recommend using a pack liner or cover to ensure your gear stays dry in the event of heavy rain. A trash compactor bag is included with purchase of the Sundown, for use as a pack liner.

Load Rating

The maximum load we recommend is between 30-35 pounds. This rating based on comfort, and can vary some depending on body build. 

Torso Sizing

Pack sizing is based on torso length and not height. If you are in between sizes, we recommend sizing up. Here is a video demonstrating how to measure your torso length.

  • Small: 14.5"-17"

  • Medium: 17"-19.5"

  • Large: 19.5"-22"

  • Tall: 22"-24.5"

Hipbelt Sizing

Hipbelt sizes are based on waist measurements. Measure your waist where it is most narrow, above your hips, or wherever you would like your hipbelt to sit. We recommend erring on the larger size when choosing a belt, so more padding will wrap around your waist. Make sure your waist measurement is no smaller than the minimum circumference of the size you choose though. If you think you may be losing weight (common when thru-hiking), then make sure you factor this into your decision, and consider erring on the smaller side.

  • X-Small: recommended for waists between 25"-28.75" (length of padded portion: 22.75”; adjustable range 25”-35”)

  • Small: recommended for waists between 28.75"-31.75" (length of padded portion: 25.75”; adjustable range 28”-38”)

  • Medium: recommended for waists between 31.75"-34.75" (length of padded portion: 28.75”; adjustable range 31”-41”)

  • Large: recommended for waists between 34.75"-37.75" (length of padded portion: 31.75”; adjustable range 34”-44”)

  • X-Large: recommended for waists between 37.75"-47" (length of padded portion: 34.75”; adjustable range 37”-47”)