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  • Framed Packs
    • NEW! Circuit SV
    • Circuit
    • Circuit XS
    • Catalyst
    • Ohm
    • Camino
    • Kid’s Spark
  • Frameless Packs
    • Photon
    • NEW! Nexus
    • CDT
  • Custom Packs
  • Day + Travel
    • NEW! Cicada
    • 30L Dragonfly
    • 36L Dragonfly
    • NEW! Node
    • Packrat
    • Camino
    • DLX Duffles
    • Spare Tire
  • Pack Accessories
  • Parts Shop
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How to Train for a Thru-Hike Without Living Near Mountains

How to Train for a Thru-Hike Without Living Near Mountains

by Garrett Martin | Oct 15, 2025 | Mixed Bag

How to Train for a Thru-Hike Without Living Near Mountains You don’t need a mountain range in your backyard to prepare for one. Most thru-hikers start training from cities, suburbs, and flat towns—places where the steepest climb might be a set of stairs or a ramp in a...
Thru-Hike Success Starts in Your Mind: How to Mentally Prepare for a Long-Distance Hike

Thru-Hike Success Starts in Your Mind: How to Mentally Prepare for a Long-Distance Hike

by Garrett Martin | Oct 8, 2025 | Mixed Bag

Thru-Hike Success Starts in Your Mind: How to Mentally Prepare for a Long-Distance Hike The following is a supplemental guide to all the gear lists, shakedown hikes, gear reviews, YouTube videos, hikers you’re following on social media, books you’ve read,...
ULA Packing Cubes vs. Conforming Compression Cubes: Two Tools, One System

ULA Packing Cubes vs. Conforming Compression Cubes: Two Tools, One System

by Garrett Martin | Oct 1, 2025 | Mixed Bag

ULA Packing Cubes vs. Conforming Compression Cubes: Two Tools, One System Earlier this year, we introduced our Dragonfly Packing Cubes, designed to pair perfectly with the Dragonfly 30L and 36L packs for those that utilize them for travel. Now, we’re expanding the...
HIking the Arizona Trail with Mallory “Baja” Jackson

HIking the Arizona Trail with Mallory “Baja” Jackson

by Garrett Martin | Sep 24, 2025 | Mixed Bag

HIking the Arizona Trail with Mallory “Baja” Jackson The following is a how-to guide for thru-hiking the Arizona Trail by our good bud Mallory “Baja” Jackson. All words and photos by Mallory unless otherwise noted. Gabrielle stuck her hand out...
How to Choose Your Backpacking Gear: Pt. 3 Cooking, Toiletries, and Everything Else

How to Choose Your Backpacking Gear: Pt. 3 Cooking, Toiletries, and Everything Else

by Garrett Martin | Sep 17, 2025 | Mixed Bag

How to Choose Your Backpacking Gear: Pt. 3 Cooking, Toiletries, and Everything Else In part 3 of our “Backpacking Gear” series we cover all the other stuff that you’ll need to consider when packing for something like a thru-hike or extended time out...
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PACK SIZING GUIDE

S Straps vs J Straps? Torso size? Follow our helpful guide to get the best fit.

VIEW GUIDE
ULA Torso Measurement Guide
ULA Hipbelt Measurement Guide
ULA Hipbelt Measurement Guide
S v J Strap Comparison
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1. TORSO FIT

  • Standing upright, tilt your chin to your chest.
  • Locate your C7 Vertabra—the large lump at the base of your neck.
  • With flexible tape, measure down the length and natural curvature of your spine to your iliac crest/ the top of your hipbone.
  • This measurement in inches is your torso length.

TIP: If you're between 2 sizes, order the smaller size. Still not sure? Contact us.

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2. TORSO CHART

We've found most people in these height ranges fall into these torso/pack sizes. That being said, it is always best to measure your torso using the guide above.

If you're between sizes and you are getting a FRAMED pack, we recommend you size DOWN!

If you're between sizes and you are getting a FRAMELESS pack, we recommend you size UP!

If you have questions, or your torso size doesn’t seem to make sense for your height, please contact us.

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3. HIPBELT FIT

Use the following method to determine your hipbelt inches, then head to Step 4 to see the hipbelt size you need.

MEN

Pant Waist Size + 2".

WOMEN

CURVY HIPS: Smallest part of your waist + 5".
STRAIGHT HIPS: Smallest part of your waist + 3".

KIDS

Smallest Part of waist + 2".

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4. HIPBELT SIZE CHART

Find the hipbelt measurement you calculated in Step 3 on the chart. That will be your hipbelt size.

TIP: If you are on the outer edge of a size, order the larger size. [ Ex: If you are 38", you will notice 38" is the last number of the Medium Hipbelt and the first number of the Large Hipbelt. You would want to order a Large.]

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5. SHOULDER STRAPS

The downward slope of your shoulder profile usually determines strap preference. You can assess your shoulder slope profile by looking in a mirror or having a friend look at the angle of your shoulder from the base of your neck to your shoulder point. 

If there is relatively little or no downward slope, you have what is referred to as flat or squared shoulders.

If there is a noticeable downward slope, you have what is referred to as standard or sloping shoulders.

J STRAPS

J-straps are the traditional straight straps. They are best suited for people with flat or square shoulders, as their flat shape provides better surface contact and less rub.

S STRAPS

S-straps contour body curves. They are best suited for people with standard or sloping shoulders, as their contoured shape better hugs your shoulder slope.

TIP: If you have a short torso but a larger upper body, you may need a slightly longer strap. If you are very large in the upper body, you might need XL shoulder straps. Contact us, and we would be happy to make these customizations so your pack is comfortable and fits well.

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PACK FITTING 101

Watch this quick video to learn how to properly fit your pack before you hit the trail.

WATCH
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