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15/03/2016

Planning to buy a new pack for the backcountry? There are three main areas where you’ll need to make choices:

Backpack capacity: The size pack you’ll need is tied to the length of your trip and how much weight and bulk you want to carry.

Backpack features: These are the refinements that affect how the pack works for you.

Backpack fit: Torso length, not your height, matters most.

Backpacking Length and Capacity

Weekend (1-3 nights; 30-50 liters)

Efficient packers using newer, less-bulky gear can really keep things light on 1- to 3-night trips by using a pack in this range. Be aware that packing light requires self-discipline and careful planning. If you can pull it off, though, the light-on-your-feet rewards are fantastic.

Multiday (3-5 nights; 50-80 liters)

These are the most popular backpacking packs sold at REI and they’re an excellent choice for warm-weather trips lasting 3 or more days. 50-80 liter packs are also used for backcountry skiing, for day trips, overnighters and sometimes 2-night trips.

Extended-trip (5+ nights; 70 liters or larger)

Extended trips of 5 days or more usually call for packs of 70 liters or larger. These are also usually the preferred choice for:

  • Winter treks lasting more than 1 night. Larger packs can more comfortably accommodate extra clothing, a warmer sleeping bag and a 4-season tent (which typically includes extra poles).
  • Adults taking young children backpacking. Mom and Dad wind up carrying a lot of kids’ gear to make the experience enjoyable for their young ones.

Going ultralight?

See our article on Ultralight Backpacking.

Backpacking Features
Backpack Frame Type

Backpack Frame Type

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Internal-frame backpacks: The majority of packs sold at REI today are body-hugging internal frame packs that are designed to keep a hiker stable on uneven, off-trail terrain. They may incorporate a variety off load-support technologies that all function to transfer the load to the hips.

External-frame backpacks: An external-frame pack may be an appropriate choice if you’re carrying a heavy, irregular load, like toting an inflatable kayak to the lake. External frame packs also offer good ventilation and lots of gear organization options.

Frameless backpacks: Ultralight devotees who like to hike fast and light might choose a frameless pack or a climbing pack where the frame is removable for weight savings.

Ventilation

Ventilation

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Some packs feature a suspended mesh back panel to combat the sweaty-back syndrome you tend to get with internal frame packs that ride against your back. Also called a “tension-mesh suspension,” this is a trampoline-like design where the frame-supported packbag rides along a few inches away from your back, which instead rests against the highly breathable mesh.

Ventilation “chimneys” that are built into back panels and promote airflow are another option meant to solve the same issue.

Pack Access

Pack Access

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Top-loading openings are pretty standard. Items not needed until the end of the day go deep inside.

Panel access: Some packs also offer a zippered front panel which folds open exposing the full interior of the pack, or a side zipper, which also makes it easier to reach items deeper in your pack.

Pockets

Pockets

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Elasticized side pockets: They lie flat when empty, but stretch out to hold a water bottle, tent poles or other loose objects

Hipbelt pockets: These accommodate small items you want to reach quickly — a smartphone, snacks, packets of energy gel, etc.

Shovel pockets: These are basically flaps stitched onto the front of a packbag with a buckle closure at the top. Originally intended to hold a snow shovel, they now pop up on many 3-season packs, serving as stash spots for a map, jacket or other loose, lightweight items.

Front pocket(s): Sometimes added to the exterior of a shovel pocket, these can hold smaller, less-bulky items.

Removable Daypack/Top lid

Removable Daypack / Top Lid

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Some packs are designed with a removal daypack that is perfect for day trips, summit hikes or supply runs during a thru-hike. Some packs have top lids that detach from the main pack and convert into a hipbelt pack for day trips.

Sleeping bag compartment

Sleeping Bag Compartment

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This is a zippered stash spot near the bottom of a packbag. It’s a useful feature if you don’t want to use a stuff sack for your sleeping bag. Alternately, this space can hold other gear that you’d like to reach easily.

Padding

Padding

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If you’re using a lightweight pack with a fairly minimalistic hipbelt and lumbar pad, you can encounter sore spots on your hips and lower back. If this is the case for you, consider using a cushier hipbelt.

Attachment Points

Attachment Points

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If you frequently travel with an ice axe or trekking poles, look for tool loops that allow you to attach them to the exterior of the pack. Rare is the pack that does not offer at least a pair of tool loops. You might also look for the following:

A daisy chain — a length of webbing stitched to the outside of a pack — to provide multiple gear loops for attaching a helmet or tools.

A reinforced crampon patch (to prevent crampon points from gouging holes in the packbag).

Gear loops on the hipbelt or low on the pack body, useful as clip-on points for gear or possibly as attachment points for skis.

Raincover

Raincover

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If you expect rain on your trip, this is a good item to carry. Pack fabric interiors are usually treated with a waterproof coating. Yet packs have seams and zippers where water can seep through, and the fabric’s exterior absorbs some water weight during a downpour.

An alternative: bundling gear internally in waterproof “dry” stuff sacks. Lightweight dry sacks can be a better option in windy conditions; strong gusts have the potential to abruptly peel a cover right off a pack.

Hydration Reservoir

Hydration Reservoir

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Nearly all packs offer an internal sleeve into which you can slip a hydration reservoir (almost always sold separately) plus 1 or 2 “hose portals” through which you can slip the sip tube.

Backpacking Fit
Once you’ve chosen the type of backpack you want, the next step is to work with an REI sales specialist to expertly fit you to your pack.The right fit is one that offers:

  • A size appropriate for your torso length (not your overall height).
  • A comfortably snug grip on your hips.

If you’re unable to work with a fit specialist in a store, you can enlist a friend and follow the directions provided in our article on Finding Your Torso and Hip Size.

Torso Length

Torso Length

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Some packs are available in multiple sizes, from extra small to large, which fit a range of torso lengths. These ranges vary by manufacturer and by gender. Check the product specs tab for size details of a specific pack.

Other packs may feature an adjustable suspension, which can be modified to fit your torso, especially if you’re in-between sizes. The drawback: An adjustable harness adds a little weight to a pack.

Waist Size

Waist Size

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The majority of a backpack’s weight, 80 percent or more, should be supported by your hips. Backpack hipbelts usually accommodate a wide range of hip sizes, from the mid-20 inches to the mid-40 inches. People with narrow waists sometimes find they cannot make a standard hipbelt tight enough and need a smaller size. Some packs offer interchangeable hipbelts, making it possible to swap out one size for another.

Women-Specific Backpacks

Women-Specific Backpacks

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Because they have smaller frame sizes, women’s backpacks often work well for young backpackers of either gender. Torso dimensions are generally shorter and narrower than men’s packs. And hipbelts and shoulder straps are contoured with the female form in mind.

Youth-Specific Backpacks

Youth-Specific Backpacks

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These typically offer smaller capacities and include an adjustable suspension to accommodate a child’s growth. Women’s backpacks, with their smaller frame sizes, often work well for young backpackers of either gender. So do small versions of some men’s packs.


  • Bùi Yến
    Teacher

    Bùi Yến

    Teacher

    My name is Ruth. I grew up and studied in Canada. This is my second year at Fable and love every minute of it, making the children’s learning experience fun. I love giving children opportunities to make discoveries about their world by providing them with the time and space to explore.

    Personal Info:
    • Degree:
      Childhood Education
    • Class Educator:
      Tenderhearts
    • My Languages:
      English, Arabic
    • My Hobby:
      Collecting Stamps, Playing Basketball

Additional Backpack Fit Adjustments

Additional Backpack Fit Adjustments

Load Lifter Straps

These are stitched into the top of the shoulder straps, and they connect to the top of the pack frame. Ideally, they will form a 45° angle between your shoulder straps and the pack. Kept snug (but not too tight), they prevent the upper portion of a pack from pulling away from your body, which would cause the pack to sag on your lumbar region.

Sternum Strap

This mid-chest strap allows you to connect your shoulder straps, which can boost your stability. It can be useful to do so when traveling on uneven cross-country terrain where an awkward move could cause your pack to shift abruptly and throw you off-balance.

Video: How to Choose a Backpacking Pack

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