Stress Reducer: Get it in time for Christmas with 50% off UPS 2nd Day Air®. Click for HOLIDAY SHIPPING details...

Internal Frame Backpack Gear at Backcountry Edge

Osprey Atmos 65 Internal Frame Backpack

A long-time favorite among AT thru-hikers and fast-and-light backpackers, the Atmos 65 combines both durability and lightweight performance. A redesigned harness and adjustable hipbelt now provide even better comfort and fit.

Osprey
Atmos 65

  • 3967/4150 cu in
  • Lightweight multi-day backpack
  • Rating:
  • Reg. Price: $249.99
    $187.95
  • Free shipping plus free returns
Deuter ACT Lite 65+10 Internal Frame Backpack

!The best-selling Deuter ACT Lite 65+10 internal frame pack provides backpackers with 4550 cubic inches of storage capacity and carrying comfort at a weight of just 3 lb 15 oz. Ideal for multi-day and extended backpacking trips.

Deuter
ACT Lite 65+10

  • 3950-4550 cu in
  • Deuter's best-selling lightweight pack
  • Rating:
  • Price: $199.00
  • Free shipping plus free returns
Deuter ACT Lite 60+10 SL Women's Internal Frame Backpack

The Deuter ACT Lite 60+10 SL Women's pack provides 4250 cubic inches of storage capacity at a weight of just 3 lb 12 oz. Balancing weight and performance, the pack is ideal for multi-day and extended backpacking trips.

Deuter
ACT Lite 60+10 SL Women's

  • 3650-4250 cu in
  • Women's lightweight performance backpack
  • Rating:
  • Price: $199.00
  • Free shipping plus free returns
Osprey Farpoint 55 Convertible Travel Pack

Catering to adventurers seeking value-packed versatility, the Osprey Farpoint 55 pack combines travel-friendly and trail-worthy features. The Farpoint 55 delivers load-carrying capability and over 3000 cubic inches of storage capacity.

Osprey
Farpoint 55

  • 3100/3300 cu in
  • Lightweight convertible travel pack
  • Price: $179.99
  • Free shipping plus free returns
Osprey Atmos 50 Internal Frame Backpack

A long-time favorite among AT thru-hikers and fast-and-light backpackers, the Atmos 50 combines both durability and lightweight performance. A redesigned harness and adjustable hipbelt now provide even better comfort and fit.

Osprey
Atmos 50

  • 3051/3234 cu in
  • Award-winning trail performance
  • Rating:
  • Reg. Price: $209.99
    $157.95
  • Free shipping plus free returns
Osprey Farpoint 70 Convertible Travel Pack

Catering to adventurers seeking value-packed versatility, the Osprey Farpoint 70 pack combines travel-friendly and trail-worthy features. The Farpoint 70 delivers load-carrying capability and over 4000 cubic inches of storage capacity.

Osprey
Farpoint 70

  • 4000/4200 cu in
  • Lightweight convertible travel pack
  • Rating:
  • Price: $199.99
  • Free shipping plus free returns
Osprey Aura 50 Women's Internal Frame Backpack

A favorite among female AT thru-hikers and fast-and-light backpackers, the Osprey Aura 50 Women's pack combines durability, storage capacity (2800+) and lightweight performance. Adjustable harnesses and hipbelt ensure a proper, comfortable fit.

Osprey
Aura 50 Women's

  • 2868/3051/3234 cu in
  • Lightweight Thru-Hiking Pack
  • Rating:
  • Reg. Price: $209.99
    $157.95
  • Free shipping plus free returns
Deuter ACT Lite 45+10 SL Women's Internal Frame Backpack

The Deuter ACT Lite 45+10 SL Women's pack provides female backpackers with 3350 cubic inches of storage capacity at a weight of just 3 lb 5 oz. A streamlined design versatility for long day hikes or multi-day backpacking trips.

Deuter
ACT Lite 45+10 SL Women's

  • 2750-3350 cu in
  • Lightweight women's multi-day backpack
  • Price: $179.00
  • Free shipping plus free returns
Gregory Wander 50 Youth Internal Frame Backpack

Delivering youth-friendly fit and adult-sized performance, the Gregory Wander 50 Youth backpack caters to growing adventurers, offering maximum fit adjustability, load-hauling capability and over 3000 cubic inches of storage capacity.

Gregory
Wander 50 Youth

  • 3051/3173 cu in
  • Youth-sized adult performance
  • Rating:
  • Price: $178.95
  • Free shipping plus free returns
Gregory Wander 70 Youth Internal Frame Backpack

Delivering youth-friendly fit and adult-sized performance, the Gregory Wander 70 Youth backpack caters to growing adventurers, offering maximum fit adjustability, load-hauling capability and over 4100 cubic inches of storage capacity.

Gregory
Wander 70 Youth

  • 4150/4272 cu in
  • Youth-sized adult performance
  • Price: $198.95
  • Free shipping plus free returns
Kelty PK 50 Internal Frame Backpack

New for 2014! Kelty built their TraiLogic gear collection around the smartly designed and size-convertible PK 50 backpack. Compartmentalization makes organizing and accessing your gear extremely easy while allowing weight to be evenly distributed.

Kelty
PK 50

  • 3050/3175 cu in
  • Innovative, zipperless organization
  • Rating:
  • Reg. Price: $199.95
    $149.95
  • Free shipping plus free returns
Gregory Jade 60 Women's (old style) Internal Frame Backpack

The Gregory Jade 60 Women's pack gives female hikers a versatile option for weekend trips or ultra-light, multi-day backpacking trips. Despite its lightweight design, the Jade 60 Women's pack comfortably carries up to 45 pounds!

Gregory
Jade 60 Women's (old style)

  • 3295/3600/3906 cu in
  • Women's lightweight heavy-hauler
  • Rating:
  • Reg. Price: $258.95
    $139.95
  • Free shipping plus free returns
Gregory Z45 (old style) Internal Frame Backpack

The high-performance Gregory Z45 employs lightweight, high-tenacity fabrics and an innovative suspension system to provide streamlined load carrying capability. This versatile is ready made for technical day hiking or fast-and-light backpacking.

Gregory
Z45 (old style)

  • 2563/2807/3051 cu in
  • Effective balance of weight and performance
  • Reg. Price: $218.95
    $119.95
  • Free shipping plus free returns
Mountainsmith Juniper 55 Women's  Internal Frame Backpack

Perfect for multi-day adventures, the Mountainsmith Juniper 55 Women's internal frame backpack offers a detachable summit pack, numerous gear attachment points, and 4332 cu in of storage space for backcountry travel.

Mountainsmith
Juniper 55 Women's

  • 3539-4322 cu in
  • Feature-rich, women's-specific multi-day pack
  • Price: $189.94
  • Free shipping plus free returns
Gregory J53 Women's (2014) Internal Frame Backpack

Updated for 2014! Striking a balance between weight and durability, the high-performance Gregory J53 Women's pack gives female hikers a versatile option for weekend trips or ultra-lightweight, multi-day backpacking trips.

Gregory
J53 Women's (2014)

  • 3112/3234/3356 cu in
  • High-end balance of weight and performance
  • Rating:
  • Price: $198.95
  • Free shipping plus free returns
Osprey Kyte 46 Women's Internal Frame Backpack

Ideal for long day hikes or lightweight overnighters, the Osprey Kyte 46 Women’s pack balances weight, capacity (2600+ cu in), price and performance. A lightweight, supportive suspension enables the pack to comfortably carry loads of up to 30 pounds.

Osprey
Kyte 46 Women's

  • 2685/2807 cu in
  • Lightweight backpacking pack
  • Price: $180.00
  • Free shipping plus free returns
Patagonia Ascensionist Pack 45L Backpack

New for 2014! The climbing-centric Patagonia Ascensionist Pack 45L is at home on the backcountry trail, but it excels on mountain climbs. The pack’s unique design is function-driven to efficiently carry a load, but it’s also versatile and looks great.

Patagonia
Ascensionist Pack 45L

  • 2746 cu in
  • Sleek, minimalist climbing pack/day pack
  • Price: $179.00
  • Free shipping plus free returns
Mountainsmith Youth Pursuit  Internal Frame Backpack

The rugged Mountainsmith Youth Pursuit internal frame backpack offers 3051 cubic inches of storage space. Load-carrying capability and organizational features combine to make the Youth Pursuit an ideal option for young adventurers.

Mountainsmith
Youth Pursuit

  • 2746-3051 cu in
  • Youth-sized internal frame backpack
  • Rating:
  • Price: $129.94
  • Free shipping plus free returns
Kelty Lakota Junior Internal Frame Backpack

Ideal for long day hikes or lightweight overnights, the Kelty Lakota Junior internal frame backpack delivers adult performance youth-friendly dimensions. The Lakota Junior offers an impressive combination of durability and affordability.

Kelty
Lakota Junior

  • 2750 cu in
  • Great balance of size, price and performance
  • Reg. Price: $169.94
    $126.95
  • Free shipping plus free returns
Gregory Z55 (2014) Internal Frame Backpack

Updated for 2014! Striking a balance between weight and durability, the high-performance Gregory Z55 internal frame backpack employs lightweight, high-tenacity fabrics and an innovative, streamlined suspension system.

Gregory
Z55 (2014)

  • 3234/3356/3478 cu in
  • High-end balance of weight and performance
  • Rating:
  • Price: $198.95
  • Free shipping plus free returns
Klymit Motion 60 Internal Frame Backpack

New for 2014! An ultra-lightweight, panel loading option, the innovative Klymit Motion 60 pack reflects a commitment to comfort and functionality that weighs less than 3 pounds including the Air Beam framesheet!

Klymit
Motion 60

  • 3661 cu in
  • Rating:
  • Price: $179.95
  • Free shipping plus free returns
Deuter ACT Lite 50+10 Internal Frame Backpack

New Color! Balancing weight (3 lb, 8 oz) and performance, the Deuter ACT Lite 50+10 provides backpackers with 3650 cubic inches of storage capacity and carrying comfort. The versatile pack tackles everything from overnighters to multi-day adventures.

Deuter
ACT Lite 50+10

  • 3050-3650 cu in
  • Lightweight multi-day backpack
  • Rating:
  • Price: $179.00
  • Free shipping plus free returns
Lowe Alpine Cholatse II ND 50:60 Women's  Internal Frame Backpack

New for 2014! The streamlined Lowe Alpine Cholatse II ND 50:60 Women’s pack offers lightweight performance for overnight adventures or short duration backpacking trips.

Lowe Alpine
Cholatse II ND 50:60 Women's

  • 3660 cu in
  • Affordable multi-day backpacking performance
  • Price: $184.95
  • Free shipping plus free returns
Deuter ACT Zero 50+15  Internal Frame Backpack

Designed to travel fast-and-light without sacrificing fit and comfort, the award-winning Deuter ACT Zero 50+15 backpack boasts a supportive load-hauling suspension system while weighing only 3 pounds, 7 ounces.

Deuter
ACT Zero 50+15

  • 3050-3950 cu in
  • Award-winning, lightweight performance
  • Rating:
  • Price: $185.00
  • Free shipping plus free returns
Marmot Women's Athena 48 Internal Frame Backpack

New for 2014! The versatile Marmot Women’s Athena 48 tackles everything from overnights to multi-day backpacking adventures. Easy to use and comfortable, the pack features no-hassle main body access plus many exterior pockets and attachment points.

Marmot
Women's Athena 48

  • 2930/2990 cu in
  • Women's versatile backpacking pack
  • Price: $178.95
  • Free shipping plus free returns
Lowe Alpine Cholatse II 55:65 Internal Frame Backpack

New for 2014! The streamlined Lowe Alpine Cholatse II 55:65 pack offers lightweight performance for overnight adventures or short duration backpacking trips.

Lowe Alpine
Cholatse II 55:65

  • 3965 cu in
  • Affordable multi-day backpacking performance
  • Price: $189.95
  • Free shipping plus free returns
Mountainsmith Approach 50  Internal Frame Backpack

The versatile panel-loading Mountainsmith Approach 50 backpack has the organizational and performance features you need for weekends in the backcountry, technical day hiking and extended travel. Fits torsos ranging from 17”-22”.

Mountainsmith
Approach 50

  • 3050 cu in
  • Roomy, well-organized daypack
  • Price: $109.94
  • Free shipping plus free returns
Osprey Viva 50 Women's Internal Frame Backpack

With a streamlined profile, ample storage capacity (3051 cu in), a broad range of adjustability and an affordable price, the Osprey Viva 50 Women's pack is ideal for value-conscious backpackers in need of reliable lightweight performance.

Osprey
Viva 50 Women's

  • 3051 cu in
  • Maximum adjustability
  • Price: $179.99
  • Free shipping plus free returns
Gregory Jade 40 Women's (2013) Internal Frame Backpack

The high-performance Gregory Jade 40 Women's pack gives female hikers a versatile option for day hiking or ultra-lightweight overnighters. Despite its lightweight design, the Jade 40 Women's pack comfortably carries up to 40 pounds!

Gregory
Jade 40 Women's (2013)

  • 2535/2777 cu in
  • Fast-and-light women's backpack
  • Reg. Price: $218.95
    $139.95
  • Free shipping plus free returns
Black Diamond Onyx 65 Women's Internal Frame Backpack

With its ground-breaking women's-specific suspension system, water-resistant “all season” construction and access-friendly features, the Black Diamond Onyx 65 Women's internal frame backpack is ready-made for multi-day backpacking trips.

Black Diamond
Onyx 65 Women's

  • 3967/4087 cu in
  • Feature-rich, extended backpacking pack
  • Rating:
  • Reg. Price: $269.94
    $189.95
  • Free shipping plus free returns
Gregory Savant 48 Internal Frame Backpack

The Gregory Savant 48 combines an innovative suspension with convenient access points to offer performance at an affordable price. At right around 3000 cubic inches in capacity, the Savant 48 is ideal for weekend trips or overnighters.

Gregory
Savant 48

  • 2929/3173 cu in
  • Excellent balance of price and performance
  • Rating:
  • Price: $188.95
  • Free shipping plus free returns
Gregory Sage 45 Women's Internal Frame Backpack

Offering performance at an affordable price, the Gregory Sage 45 Women's backpack combines an innovative suspension with convenient access. With a streamlined capacity (2700+ cu in), the pack is ideal for weekend trips or overnighters.

Gregory
Sage 45 Women's

  • 2746/2990 cu in
  • Excellent balance of price and performance
  • Price: $188.95
  • Free shipping plus free returns
Mountainsmith Ghost 50 Internal Frame Backpack

Equipped with fit adjustability, durability and load-hauling (up to 45 lbs) capability, the versatile Mountainsmith Ghost 50 internal frame pack offers premium backcountry and top of the mountain performance.

Mountainsmith
Ghost 50

  • 3175 cu in
  • Top-of-the-mountain backcountry durability
  • Reg. Price: $199.94
    $159.95
  • Free shipping plus free returns
Mountainsmith Phantom 40 Day Pack

A durable, feature-rich day pack or climbing pack, the versatile Mountainsmith Phantom 40 has a breathable, load-hauling (up to 35 lbs) suspension system and convenient panel-loading organizational features.

Mountainsmith
Phantom 40

  • 2560/2750 cu in
  • Durable, lightweight performance
  • Reg. Price: $164.94
    $129.95
  • Free shipping plus free returns
Lowe Alpine AirZone Pro 45:55 Internal Frame Backpack

The streamlined Lowe Alpine AirZone Pro 45:55 pack offers lightweight performance for overnight adventures or lightweight backpacking trips. An innovative suspension system maximizes airflow and enables the pack to carry loads of up to 33 pounds.

Lowe Alpine
AirZone Pro 45:55

  • 2745-3355 cu in
  • Sleek, feature-rich day pack
  • Price: $199.95
  • Free shipping plus free returns
Marmot Apollo 50 Internal Frame Backpack

New for 2014! The versatile Marmot Apollo 50 pack tackles everything from overnights to multi-day backpacking adventures. Easy to use and comfortable, the Apollo 50 features no-hassle main body access plus many exterior pockets and attachment points.

Marmot
Apollo 50

  • 3050/3175 cu in
  • Versatile backpacking/hiking pack
  • Price: $178.95
  • Free shipping plus free returns
Osprey Aura 65 Women's Internal Frame Backpack

A favorite among female AT thru-hikers and fast-and-light backpackers, the Osprey Aura 65 Women's pack combines durability and lightweight performance. A redesigned harness and adjustable hipbelt now provide even better comfort and fit.

Osprey
Aura 65 Women's

  • 3783/3967 cu in
  • Lightweight multi-day backpack
  • Rating:
  • Reg. Price: $249.99
    $187.95
  • Free shipping plus free returns
  • Out of stock.
Granite Gear Crown V.C. 60 Internal Frame Backpack

A revamped incarnation of the award-winning Vapor Trail, the ultra-lightweight Granite Gear Crown V.C. 60 sports an innovative lightweight suspension and trail-friendly organizational features at a weight of just over 2 pounds!

Granite Gear
Crown V.C. 60

  • 3660/4000 cu in
  • Lightweight all-trail performance
  • Rating:
  • Price: $199.94
  • Free shipping plus free returns
  • Out of stock.
Osprey Exos 48 (2014) Internal Frame Backpack

Updated for 2014! Focused on ounce-shaving construction but delivering far greater carrying capability than most packs in its weight class, the innovative Osprey Exos 48 offers streamlined performance for fast-and-light thru-hikes and weekend trips.

Osprey
Exos 48 (2014)

  • 2746/2929/3112 cu in
  • Ultra-lightweight thru-hiking pack
  • Rating:
  • Price: $190.00
  • Free shipping plus free returns
  • Out of stock.
Granite Gear Aji 50 Internal Frame Backpack

Delivering unparalleled access, the Granite Gear Aji 50 is ideal for lightweight backpacking, day hiking or travel. A unique design lets you quickly put hands on anything you need and an innovative suspension system comfortably carries up to 35 pounds.

Granite Gear
Aji 50

  • 3000/3200 cu in
  • Maximum pack access
  • Rating:
  • Reg. Price: $229.94
    $159.95
  • Free shipping plus free returns
  • Out of stock.
  • Page:
  • 1
  • 2
  • of
  • 2
  • >
Items per page: | Showing 1-40 of 52
Sort by:
Integrated framework provides maneuverability on or off the trail.

Narrow Your Results

Category:

  • Backpacks
    • Internal Frame Packs
      • 2700-4300 cu. in.
        • Ultralight Packs (7)

          Lightweight fabrics and streamlined designs for fast and light hiking and backpacking.

        • Women's Packs (16)

          High-performance designs for the female hiker and backpacker.

        • Youth Packs (6)

          Backpacks built specifically for junior hikers and backpackers, sized to fit kids, teens and Scouts.

        • Climbing Packs (1)

          Technical packs with the features needed for climbing and mountaineering.

        • Weather-Resistant Packs (1)

          Waterproof fabrics, weatherproof zippers and innovative welded seams make these packs ideal for use in humid climates or wet weather.

        • Travel Backpacks (2)

          Catering to adventure travelers and hut-to-hut trekkers, these versatile packs are designed to help you shuttle gear to your destination of choice and serve as a trail-worthy backpack once you’ve arrived.

Brand:

Price:

Top Video Results

  • How to Measure Your Torso For Backpack Fitting   How-to Guide: How to Measure Your Torso For Backpack Fitting
  • Basic Anatomy of a Backpack   Tech Talk: Basic Anatomy of a Backpack
  • How to Pack a Backpack   How-to Guide: How to Pack a Backpack
  • Osprey Brand History   Brand Story: Osprey Brand History