Interchangeable suspension parts (hipbelt and shoulder harness come in multiple sizes)

Got a big load to carry? Put it in this ultra-comfortable pack and forget about it.

The durable Lowe Alpine Airzone Centro 45+10 backpack is full of handy pockets and bungees for the organized trekker.

With removable support, the Arc'teryx Khazri 55 backpack lets you choose between stability or a lighter load.

Scramble around the trail with Granite Gear's ultralight and stable Vapor Flash backpack.

The durable Lowe Alpine Airzone Centro 45+10 backpack is full of handy pockets and bungees for the organized trekker.

Pack up the weekend toys for your outdoor activity of choice in Marmot's ultralight–and ultra cheap–Alpha 25 backpack.

Ski mountaineers will love both climbing and cruising in this pack from our <a href="https://www.backpacker.com/april_2009_table_of_contents_gear_guide_issue/articles/12859">2009 Gear Guide</a>.

Don't worry, the updates to these tried-and-true packs are worthy.

Pack up the weekend toys for your outdoor activity of choice in Marmot's ultralight&ndash;and ultra cheap&ndash;Alpha 25 backpack.

For the price, the Lafuma Manang 65+20 packs a hard punch with superb padding and durability.

This pack moves with you.

Don't judge a pack by its price: this pack's a loaded bargain.

A convertible travel pack that can carry big loads.

Carry up to 100 ounces of hydration power with this comfortable daypack.

With removable support, the Arc'teryx Khazri 55 backpack lets you choose between stability or a lighter load.

This stable pack has tons of padding and support.

With removable support, the Arc'teryx Khazri 55 backpack lets you choose between stability or a lighter load.

Got a big load to carry? Put it in this ultra-comfortable pack and forget about it.

The Tahoma wins out as a high country favorite.

For the price, the Lafuma Manang 65+20 packs a hard punch with superb padding and durability.

For the price, the Lafuma Manang 65+20 packs a hard punch with superb padding and durability.

For the price, the Lafuma Manang 65+20 packs a hard punch with superb padding and durability.

For the price, the Lafuma Manang 65+20 packs a hard punch with superb padding and durability.

For the price, the Lafuma Manang 65+20 packs a hard punch with superb padding and durability.

For the price, the Lafuma Manang 65+20 packs a hard punch with superb padding and durability.

For the price, the Lafuma Manang 65+20 packs a hard punch with superb padding and durability.

For the price, the Lafuma Manang 65+20 packs a hard punch with superb padding and durability.

For the price, the Lafuma Manang 65+20 packs a hard punch with superb padding and durability.

For the price, the Lafuma Manang 65+20 packs a hard punch with superb padding and durability.

For the price, the Lafuma Manang 65+20 packs a hard punch with superb padding and durability.

For the price, the Lafuma Manang 65+20 packs a hard punch with superb padding and durability.

For the price, the Lafuma Manang 65+20 packs a hard punch with superb padding and durability.

For the price, the Lafuma Manang 65+20 packs a hard punch with superb padding and durability.

For the price, the Lafuma Manang 65+20 packs a hard punch with superb padding and durability.

For the price, the Lafuma Manang 65+20 packs a hard punch with superb padding and durability.