Series 2: Medium Knack Pack. Clean design with organization pockets inside.
Series 2:  Medium Knack Pack. Unexpanded for day use. Side handle to convert to a briefcase.
Side view, unexpanded for day use. 24 liters unexpanded.
Side view, expanded for travel use. 25 liters expanded.
Ergonomically-designed comfort foam shoulder straps with easy-release clips and adjustable, removable sternum strap.
Separate, patent-pending, expandable packing compartment holds 2 to 3 changes of clothes.
Trolley sleeve for longer trips.
Series 2:  Medium Knack Pack unexpanded and expanded on 5'10" model.
Series 2: Medium Knack Pack. Clean design with organization pockets inside.
Series 2: Medium Knack Pack. Unexpanded for day use. Side handle to convert to a briefcase.
Side view, unexpanded for day use. 24 liters unexpanded.
Side view, expanded for travel use. 25 liters expanded.
Ergonomically-designed comfort foam shoulder straps with easy-release clips and adjustable, removable sternum strap.
Separate, patent-pending, expandable packing compartment holds 2 to 3 changes of clothes.
Trolley sleeve for longer trips.
Series 2: Medium Knack Pack unexpanded and expanded on 5'10" model.
Series 2: Medium Knack Pack. Clean design with organization pockets inside.
Series 2:  Medium Knack Pack. Unexpanded for day use. Side handle to convert to a briefcase.
Side view, unexpanded for day use. 24 liters unexpanded.
Side view, expanded for travel use. 25 liters expanded.
Ergonomically-designed comfort foam shoulder straps with easy-release clips and adjustable, removable sternum strap.
Separate, patent-pending, expandable packing compartment holds 2 to 3 changes of clothes.
Trolley sleeve for longer trips.
Series 2:  Medium Knack Pack unexpanded and expanded on 5'10" model.
Series 2: Medium Knack Pack. Clean design with organization pockets inside.
Series 2: Medium Knack Pack. Unexpanded for day use. Side handle to convert to a briefcase.
Side view, unexpanded for day use. 24 liters unexpanded.
Side view, expanded for travel use. 25 liters expanded.
Ergonomically-designed comfort foam shoulder straps with easy-release clips and adjustable, removable sternum strap.
Separate, patent-pending, expandable packing compartment holds 2 to 3 changes of clothes.
Trolley sleeve for longer trips.
Series 2: Medium Knack Pack unexpanded and expanded on 5'10" model.

Series 2: Medium Expandable Knack Pack®

Regular price $225.00

The Series 2 Medium Expandable Backpack with laptop compartment has the same quality of our Series 1 and fits 13" and 15" laptops, with other compartments. Learn More


58 left in stock

 
Limited Quantities Available
Free shipping
&
Ships fast
Laptop

Fits 15" Laptop

Overhead

All Jets

Under Seat

All Jets

Outfits

2-3

Not sure what size you need? See comparison and size chart

KEY FEATURES

Key Everyday Features

  • Easy-access, padded side-zip computer pocket for 15" laptops
  • Spacious main compartment with organization pockets, fleece-lined tablet pocket and removable key leash
  • Hidden, zip-away side water bottle pocket
  • Zip tuck-away back storage pocket for shoulder straps
  • Side handle for easy carry
  • Black metal Knack logo hardware

Key Travel Features

  • Separate, patent-pending, expandable packing compartment holds 2 to 3 changes of clothes
  • Meets most popular carry-on requirements as well as fits under most seats
  • Packing compartment with easy-access suitcase lid
  • Hidden trolley sleeve slips over wheeled luggage handles

Key Technical Features

  • Custom-developed, durable, water-resistant body fabric
  • Molded, comfort-cool foam back panel
  • YKK™ water-resistant zipper with custom-designed pullers

CORPORATE SALES

For orders over 10 units or for Knack Products with custom corporate logos, please contact: corporate@knackbags.com.

Dimensions
Series 1
Small
Series 1
Medium
Series 2
Medium
Series 1
Large
Front
Small Knack Backpack Unexpanded 15 Liters
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Medium Knack Backpack Unexpanded 27 Liters
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Medium Knack Backpack Unexpanded 24 Liters
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Large Knack Backpack Unexpanded 30 Liters
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Side Unexpanded
Small Knack Backpack Expanded 26 Liters
15 Liters
Medium Knack Backpack Expanded 40 Liters
27 Liters
Medium Knack Backpack Expanded 40 Liters
24 Liters
Large Knack Backpack Expanded 46 Liters
30 Liters
Side Expanded
Small Knack Backpack Expanded 26 Liters
15 L + 12 L = 27 Liters
Medium Knack Backpack Expanded 40 Liters
27 L + 12 L = 39 Liters
Medium Knack Backpack Expanded 40 Liters
24 L + 11 L = 35 Liters
Large Knack Backpack Expanded 46 Liters
30 L + 16 L = 46 Liters
Additional Specs
Series 1
Small
Series 1
Medium
Series 2
Medium
Series 1
Large
Weight Icon
Weight
2 lb 4 oz Fabric:
2 lb 11 oz
Leather:
3 lb 9 oz
Black:
3 lb
Gray:
3 lb 2 oz
3 lb 4 oz
Laptop Icon
Laptop
13" 15" 15" 17"
Plane Overhead Icon
Overhead
All Jets All Jets All Jets All Jets
Plane Under Seat Icon
Under Seat
All Jets All Jets All Jets All Jets (when unexpanded)
Outfits Icon
Outfits
1-2 2-3 2-3 3-4
Trolley Sleeve
Trolley Sleeve
Yes Yes Yes Yes
Water Bottle Pocket Icon
Water Bottle Pocket
17 oz S'well™/18 oz Hydro Flask™ 17 oz S'well™/24 oz Hydro Flask™ 17 oz S'well™/24 oz Hydro Flask™ 25 oz S'well™/24 oz Hydro Flask™

Size Chart

Model: 5'3"

Knack Backpacks on 5 foot 3 inch model

Series 1: Small

Series 1: Medium

Series 2: Medium

Series 1: Large

Model: 5'10"

Knack Backpacks on 5 foot 10 inch model

Series 1: Small

Series 1: Medium

Series 2: Medium

Series 1: Large

Model: 6'3"

Knack Backpacks on 6 foot 3 inch model

Series 1: Small

Series 1: Medium

Series 2: Medium

Series 1: Large

PRODUCT DETAILS

Pack Dimensions (LxWxD):

Unexpanded: 19" x 12" x 4.5"

Expanded: 19" x 12" x 9"

Volume:

Unexpanded: 24 Liters

Expanded: 35 Liters

Midnight Black Weight: 3 pounds

Storm Gray Weight: 3 pounds 2 ounces

Laptop Pocket Dimensions (LxWxD):

Pocket Opening: 15.5"

Dimensions: 15.75" x 11" x 2" (fits 15” laptop)

Fabric:

Midnight Black: Lightweight, 420 denier, high-density, nylon fabric woven with high-twist yarn for great durability. PU coating for water-resistance. Tested to carry loads up to 40 pounds.

Storm Gray: Durable and stylish, 600 denier two-tone polyester ottoman fabric with water-resistant PU treatment. Tested to carry loads up to 40 pounds.

All touch points and the front panel trim is made with soft and supple, full-grain napa leather

Eco-friendly PVC side and bottom panels for enhanced wear characteristics


Lining Fabric: Custom, stain-resistant, 150 denier polyester logo print lining with anti-microbial treatment to inhibit mold and mildew


Zippers: Water-resistant YKK™ reverse coil zippers


Zipper Pullers: Strong, custom-designed cast zinc zipper pullers with comfortable PU overmold and chip-resistant PVD coating

Handle Materials: Full-grain, napa leather

Hardware: Duraflex™ buckles and sliders

Back Panel Material: Low R-factor, customized, comfort-cool EVA memory foam

Everyday Features:

• Front Organization Compartment:

      - Lockable zippers for security

      - RFID blocking lining to inhibit malicious RFID chip skimming

      - Fleece-lined sunglasses pocket

      - Passport pocket

      - Pen loops

      - Business card pockets

      - Handy, removable key leash

      - See-through, soft monofilament mesh zip organization pocket

• Spacious Main Compartment:

      - Lockable zippers for security

      - Protective, fleece-lined internal tablet pocket

      - 2 interior, see-through, soft monofilament mesh zip organization pockets

      - Battery/cable pocket

• Large, zip side water bottle pocket holds 17 oz S'well™/ 24 oz Hydro Flask™ bottles / 20 oz Knack Insulated bottle

• Padded, side computer pocket fits up to 15" laptops (measured diagonally) with protective, suspended bottom

• Luxurious, soft, napa leather top and side carry handles

• Ergonomically-designed comfort foam shoulder straps with air-mesh backing, easy-release attachment clips and luxurious napa leather touch points

• Elastic keepers to keep dangling shoulder straps neat

• Adjustable, removable sternum strap helps make heavier loads more comfortable

Travel Features:

• Hidden, expandable, patent-pending, 11 cubic liter travel compartment with easy-access suitcase lid opening

• Hidden trolley sleeve slips over wheeled luggage handles

• Hidden, zip security pocket for valuables

• Lockable zippers on travel compartment for security

• Internal packing compression system

• Large, see-through, soft monofilament mesh zip packing pocket

• Rain flap covering expansion zipper

• Zip tuck-away back storage pocket for shoulder straps

 

HOW TO LIVE A ONE BAG LIFE - EVERY DAY

STAY CONNECTED

Use the Series 2’s padded side computer pocket to always keep your laptop with you. The pocket fits 15” laptops (measured diagonally) and its suspended bottom helps keep your computer safely off the floor whenever you put your bag down.

SWITCH IT UP

Backpack, briefcase or tote? The choice is yours. When you want to change from a backpack, simply unclip the shoulder straps and tuck them away in the zip back panel pocket and voilà!

CARRY IT ALL

The spacious main compartment is a pocket-lover’s dream with two generously-sized, soft monofilament mesh organization pockets. If that’s not enough, there’s also a protective, fleece-lined tablet pocket and another pocket for your batteries/cables/chargers. Finally, the compartment's lockable zippers keeps everything secure.

ORGANIZE YOUR DAY

On-the-go all day? The easy-access front organization compartment helps keep you efficient and productive with its passport/wallet pocket, pen loops, business card pockets and handy removable interior key leash. And you can relax knowing that with lockable zippers and RFID-blocking lining to inhibit malicious RFID chip skimming everything stays safe and sound.

BRING YOUR SHADES

The fleece-lined, sunglasses pocket is designed for easy access and protection. And there’s a bonus pocket behind it for other items (phone anyone?) that you need at a minute’s notice.

DON’T LOOK LIKE A HIKER

Only you will know that the sleek, hidden, zip side water bottle pocket holds your 17 oz S'well™/ 24 oz Hydro Flask™ bottles/ 20 oz Knack Insulated bottle.

BE DISCREET

We’d love to tell you the location of the secret zip pocket for valuables, but then it wouldn’t be a secret.

HOW TO LIVE A ONE BAG LIFE - TRAVEL

EXPAND YOUR HORIZONS

Our patent-pending, hidden expansion compartment is the secret sauce that makes Series 2 the perfect One Bag Life backpack. Simply unzip and expand the compartment to get over 45% more carrying capacity. Unexpanded: 24 Liters. Expanded: 35 Liters.

PACK IT IN

Not sure about staying in town after your business trip ends? Pack our patent-pending, hidden suitcase compartment with a change of clothes and live spontaneously Packing capacity: 11 Liters.

LOCK ON

Keep everything secure during your journeys with lockable zippers on the hidden suitcase and the main compartment. (Lock not included)

BE COMPATIBLE

Sometimes, your trips require a big piece of wheeled luggage. Don’t worry, it’s easy to bring your Knack Pack along too. Our hidden trolley sleeve lets you slip your Knack over the handle of almost all sizes of wheeled luggage.

STAY FLEXIBLE

Our adjustable sternum strap does a great job of distributing weight when you’ve really packed your Knack. But if you prefer a cleaner look, the strap unhooks for easy removal.

KEEP DRY

While we don’t recommend swimming with your Knack Pack, our specially coated fabric and reverse coil zippers help keep your belongings dry in all types of weather.

SMELL LIKE A ROSE

Our custom-designed lining has a special antimicrobial treatment that helps to keep your Knack Pack fresh even when it’s filled with dirty or sweaty clothes.

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