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Sunday, April 10, 2011

Backpacker Magazine's Backpack Buying Guide


Backpacker Magazine's Backpack Buying Guide

When shopping for a pack, there are four major things to consider: type, fit, capacity, and features. In this guide, Backpacker Magazine Gear Editor Kristin Hostetter shows you how to pick the right one for you.
Backpacker Magazine's Backpack Buying Guide

Backpacker brings the outdoors straight to the reader's doorstep, inspiring and enabling them to go more places and enjoy nature more often. The authority on active adventure, Backpacker is the world's first GPS-enabled magazine and website, and the only outdoor media whose editors personally test the hiking trails, camping gear, and survival tips they publish. Backpacker's Editors' Choice Awards, an industry honor recognizing design, feature, and product innovation, has become the gold standard against which all other outdoor-industry awards are measured. And the magazine recently launched mobile media applications that allow users to text-message hiking maps and directions to their phones. In 2008, Backpacker won the magazine industry's highest honor, the National Magazine Award for General Excellence and in 2009, followed the win with three more National Magazine Awards: General Excellence Online, Personal Service Online, and best Essay.

Backpack Types

Backpacks fall into three basic categories:
  • Daypacks
  • Internal frame packs
  • External frame packs
Daypacks
These packs are used for single-day hikes, climbs, runs or bike rides. In general, daypacks are soft-backed or frameless. Daypacks are lightweight and intended for light loads (10 to 15 pounds). Good daypacks have hipbelts to prevent the load from thumping on your back with each stride.

Internal Frame PacksThese packs are used for bigger, heavier loads (15 pounds and up). Frames--either aluminum stays, plastic framesheets, curved Delrin rods, or combinations of those things--are located within the packbag (as opposed to external frames; see below), and when properly fit, they hug the contours of your back, thereby cinching the load in close to your spine.

The main job of the frame is to facilitate weight transfer to the hip area, which is where we humans are most capable of bearing it. So a good, supportive hipbelt is also critical.

Because internal frames are generally narrower and closer fitting (than externals), they're the best choice for any sort of dynamic activities like climbing, skiing, or bushwhacking, where you need good arm clearance and a tight center of balance. If you typically hike in hot weather, look for an internal with a "trampoline style" back, which means that breathable mesh is suspended across the frame to allow air circulation without any major loss of stability.

Proper loading of an internal frame pack is key, not only in order to keep the weight well balanced and stable, but also to keep you well organized.

Backpacker Tip: Loading an Internal Frame Backpack
  • Pop your sleeping bag (packed in a waterproof stuffsack or sturdy garbage bag) crosswise in the bottom of the pack. You won't need it until the end of the day and it provides a nice, stable base for your pack.
  • Next, load heavy items like your food bag, tent (poles can be removed and strapped to the side of the pack), and your copy of War and Peace. Keeping heavy objects low and close to spine will help you maintain the best balance on the trail.
  • Stuff your puffy jacket and raingear down the sides of the pack, taking up the space left by the bulkier items. (Keep the rest of your clothes in a small stuffsack, and load that in next.)
  • Use the top lid and other external pockets to stash items that you'll use during the day: snacks, maps, sunscreen, headlamp, and water treatment.
External Frame Backpacks
Also used for big, heavy loads, these packs are best for walking on trails (as opposed to skiing, climbing or bushwhacking). That's because the packbag is hung off a simple exterior frame, so the load is positioned farther away from your back. And though this might result in a wobble-fest for climbers or skiers, trail walkers who carry big loads often love them. (Tip: Use hiking poles for stability.)

External frame packs have a higher center of gravity than internal frame packs, which has two advantages: It gives excellent weight transfer to the hips and it allows you to walk with a more upright posture (with big internals you have to lean forward to counterbalance the load). Plus, they offer lots of airflow between the pack and your back, great for long, sweaty days on the Appalachian Trail or anywhere that heat is a factor.

Externals are known for their plentiful pockets and ultimate trail-livability, but there are still a few tricks to loading them.

Backpacker Tip: Loading an External Frame Backpack
  • Most externals assume that you'll strap your sleeping bag outside and under the packbag. That's why it's absolutely critical that you store your bag in a completely waterproof stuffsack. (Tip: External frame-pack wearers are rolling the dice if they rely on garbage bags for water protection. Walk too close to a branch and you're sleeping on a sponge. Spend a few extra bucks and get a waterproof sack with a roll-top closure.)
  • Heavier gear (like your food and tent) belong higher up on the frame, but still close to your spine.
  • Use any available side or front pockets to organize your gear. This allows you to skip the stuffsacks and save a few ounces.

Getting the Right Fit

Daypacks
Fitting a daypack is pretty straightforward, which is why many of them come in only one size. The shoulder straps should wrap comfortably around your shoulders, without pinching or digging under your armpits, and the hipbelt (usually just a length of webbing) should snug the bottom of the pack against your lumbar region to eliminate sway or thumping as you walk.

Multi-Day External and Internal Frame Packs
With bigger internal and external frame packs, fit is a key issue the most important one you'll face. Fit is all about the "suspension system," which is the part of the pack responsible for bearing the weight and connecting it to your body: the shoulder straps, the hipbelt, the frame, the back padding, and the lumbar area. There are three types of suspension systems:
  • Fixed Suspensions: Although they have no adjustability, fixed suspensions often come in a variety of torso lengths to accommodate different sized people. The main advantage of a fixed suspension is that, with fewer moving parts, there's a very solid connection between the wearer and the pack, which translates to stability. Downside: Make sure the pack fits you perfectly, because there's no wiggle room.
  • Adjustable Suspensions: This system has a shoulder yoke that moves up or down a track in the center of the back panel. This lets you shorten or lengthen the space between the shoulders and hips to fit a wide variety of body types. It also gives you the ability to change the way your pack fits if you develop sore spots.
  • Interchangeable Suspensions: This system has perhaps the best of both worlds. Some companies offer the ability to customize a pack by buying different size hipbelts and shoulder straps. This works particularly well for people who fall outside the range of average height and weight.
Backpacker Tip: Measure Your Torso
Before you even start shopping, determine your torso length, so you can find the proper size pack for your body. Nothing is more important in fitting a large-capacity backpack because without the proper measurement, your shoulders, back and hips will not bear the load correctly, causing discomfort and, potentially, injury. To do this, you'll need a friend and a soft tape measure or a length of string. Follow these three steps:
  • Tilt your chin down so that the C7 vertebra at the base of your neck protrudes. This is the starting point of your measurement.
  • Put your hands on your hips and use your thumbs to feel for the top of the iliac crest. Draw an imaginary line between your thumbs. Where this line intersects your spine is the end point of your measurement.
  • Have your friend drape the string or tape measure along the contours of your spine between the two points. You now have your torso length. (Most adults have torso lengths that fall between 16 and 22 inches.)
A Note on Women's Packs
These aren't just smaller men's packs in pretty colors. Good women's packs have subtle but important fit differences that can really improve comfort for women: shoulder straps that are closer together, thinner, and more tapered to meld with narrower shoulders, and hipbelts that are canted to better cup women's hips.

Capacity

What size pack do you really need? Get a pack that's too big and you'll be sure to fill it with non-essential junk and end up tired and sore. But go too small, and you might not be able to fit the stuff you do need, like safety gear.

Backpack sizes are listed either in cubic inches or liters, which can make comparison-shopping a bit tricky, especially for online shoppers who aren't able to actually see the packs before they buy. That's why we've done the conversions and broken it all down for you. The below lists are very general rules of thumb, and will depend on the sizes of the items you're packing, of course.

Daypacks
Size: Less than 2,500 cubic inches or 40 liters
Will hold:
  • Water
  • Lunch and snacks
  • Camera
  • Shell and/or warm layer
  • Several trinkets like emergency kit, small first aid kit, GPS
Weekend Packs
Size: 2,500 to 3,999 cubic inches or 40 to 65 liters
Will hold: All of the above, plus:
  • Small tent
  • Sleeping bag and pad
  • Ultralight stove and cook kit
  • A few more clothing items
  • A weekend's worth of meals
Weeklong Packs
Size: 4,000 to 5,999 cubic inches or 65 to 95 liters
Will hold: All of the above, plus:
  • Extra food, fuel and kitchen gear
  • A few luxury items like camp chair, camp shoes, pillow
  • A bigger tent
  • A warmer sleeping bag and cushier sleeping pad
Expedition Packs
Size: Greater than 6,000 cubic inches or 95 liters
Will hold: Winter-worthy versions of all of the above, plus:
  • Mountaineering gear
  • Bear canisters (essential for carrying food in bear country)

Backpack Anatomy

Backpack Anatomy

Illustrations by supercorn

About Gear Editor Kristin Hostetter

Kristin HostetterKristin has been Backpacker magazine's gear editor for 15 years putting thousands of camping and hiking products through the magazine's rigorous gear testing program. Her travels have taken her all over the world--from Alaska to Iceland, from Wales to Wyoming--in search of the best testing conditions. She has appeared as a gear expert on NBC's Today and CBS's The Early Show, among others. Kristin is the author of three books: Don't Forget the Duct Tape,Adventure Journal, and Tent and Car Camper's Handbook. She is also known as the "Gear Pro" on Backpacker.com, where she answers questions from readers about all sorts of outdoor skills and gear. She lives in Massachusetts with her husband and two sons, all of whom love to join Kristin on her adventures whenever possible.

  Backpacker Magazine: Appalachian Trail

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