ultralight backpack reviews

A backpacker overlooking the Colorado River on the Tonto Trail east of Bass Canyon, along the Gems Route in the Grand Canyon.

The Best Backpacking Gear of 2025

By Michael Lanza

Utah’s High Uintas Wilderness, Montana’s Beartooths, and Colorado’s Weminuche. Glacier National Park and the Tetons. The Grand Canyon (repeatedly). The Canadian Rockies. Southern Utah’s Owl and Fish canyons. The Wind River Range. The John Muir Trail and Wonderland Trail. Iceland’s Laugavegur and Fimmvörðuháls trails. These are just some of the places where I’ve recently tested the backpacking gear and apparel that I’ve reviewed at The Big Outside—so that I can give you honest and thorough, field-tested opinions that help you find the best gear for your adventures.

And that’s exactly how I came up with the following picks for today’s best backpacking gear.

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A backpacker descending from Texas Pass into the Cirque of the Towers in the Wind River Range, Wyoming.

The 10 Best Backpacking Packs of 2025

By Michael Lanza

Backpacks come in many sizes and designs for a reason: so do backpackers. Some of us need a pack for moderate loads, some for heavy loads, and others, increasingly, for lightweight or ultralight backpacking. Some prefer a minimalist pack, others a range of features and access. Everyone wants the best possible fit and comfort, and almost everyone has a budget. But no matter which type of backpacker you are, this review covers the best packs in each of those categories.

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A backpacker hiking the Dawson Pass Trail above Pitamakan Pass in Glacier National Park.

The Best Ultralight Backpacks of 2025

By Michael Lanza

Do you need an ultralight backpack? Many backpackers might answer “no” when, for many reasons, their answer should logically be “yes.” These packs aren’t just for thru-hikers. Typically weighing roughly between under two pounds and three pounds empty, ultralight packs have support for carrying 25 to 35 pounds—making them ideal for more than just ultralight backpacking. For many backpackers, that represents the range of pack weight they either carry on most trips—or could carry on most trips, with smart packing and reasonably light gear.

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The Deuter Aircontact Ultra 50+5 ultralight backpack.

Review: Deuter Aircontact Ultra 50+5 and 45+5 SL Backpacks

Ultralight Backpacks
Deuter Aircontact Ultra 50+5
$250, 55L/3,356 c.i., 2 lbs. 15 oz./1.33kg
Deuter Aircontact Ultra 45+5 SL
$250, 50L/3,051 c.i., 2 lbs. 11 oz./1.21kg
One adjustable size in both models
Aircontact Ultra 50+5: rei.com
Aircontact Ultra 45+5 SL: rei.com

To put Deuter’s updated-for-2024 Aircontact Ultra 50+5 ultralight backpack through the paces, I took it on a pair of quite rugged but also quite different backpacking trips this spring: a three-day hike through southern Utah’s Owl and Fish canyons with a max weight of about 30 pounds in the pack, and six days and about 60 miles backpacking the Grand Canyon’s Gems Route, repeatedly carrying extra water—and starting out with more than 40 pounds inside, including over 10 pounds of water and 11 pounds of food. As I expected, those trips revealed much about the Aircontact Ultra backpacks and why they might appeal to lightweight and ultralight backpackers.

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Michael Lanza of The Big Outside hiking Besseggen Ridge above Lake Gjende in Norway's Jotunheimen National Park.

Video: How to Pack a Backpack

By Michael Lanza

Wonder why I’m smiling in the above photo? Well, sure, two friends and I were hiking the incredibly scenic Besseggen Ridge in Norway’s Jotunheimen National Park; that had something to do with it. But the other big factor was that I was comfortable—and how well my pack carried had a lot to do with that. And how I loaded it greatly affected how well it carried on my back. In this four-minute video, I’ll show you how to properly load a backpack to make your backpacking trips much more enjoyable.

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