COMPARE THE DIFFERENCE

We get a lot of questions from people about which Knack Pack® is the right size for them. It’s a difficult question to answer because everyone has such different needs. So, to help you out, we’ve highlighted some of the key differences between each size bag so that you can make the decision about which bag will work best for you.

Best Seller
Series 2: Medium Expandable Knack Pack® Backpack Knack Steel Blue
Series 2: Medium
Steel Blue
$265
Learn More
Series 1: Large Expandable Knack Pack® Backpack Knack Stealth Black
Series 1: Large
Stealth Black
$270
Learn More

FRONT

SIDE UNEXPANDED

Unexpanded Liters: 24

Unexpanded Liters: 30

Unexpanded Liters: 27

Unexpanded Liters: 30

Unexpanded Liters: 17

Unexpanded Liters: 24

Unexpanded Liters: 24

Unexpanded Liters: 24

Unexpanded Liters: 30

Unexpanded Liters: 27

Unexpanded Liters: 30

Unexpanded Liters: 17

Unexpanded Liters: 24

Unexpanded Liters: 24

SIDE EXPANDED

Expanded Liters: 35

Expanded Liters: 46

Expanded Liters: 39

Expanded Liters: 46

Expanded Liters: 27

Expanded Liters: 35

Expanded Liters: 40

Expanded Liters: 35

Expanded Liters: 46

Expanded Liters: 39

Expanded Liters: 46

Expanded Liters: 27

Expanded Liters: 35

Expanded Liters: 40

EXPANDED SUITCASE COMPARTMENT

Suitcase Capacity: 11 Liters
Outfits: 2-3

Suitcase Capacity: 16 Liters
Outfits: 3-4

Suitcase Capacity: 12 Liters
Outfits: 2-3

Suitcase Capacity: 16 Liters
Outfits: 3-4

Suitcase Capacity: 10 Liters
Outfits: 1-2

Suitcase Capacity: 11 Liters
Outfits: 2-3

Suitcase Capacity: 16 Liters
Outfits: 5-6

Suitcase Capacity: 11 Liters
Outfits: 2-3

Suitcase Capacity: 16 Liters
Outfits: 3-4

Suitcase Capacity: 12 Liters
Outfits: 2-3

Suitcase Capacity: 16 Liters
Outfits: 3-4

Suitcase Capacity: 10 Liters
Outfits: 1-2

Suitcase Capacity: 11 Liters
Outfits: 2-3

Suitcase Capacity: 16 Liters
Outfits: 5-6

LAPTOP COMPARTMENT

Fits 15" laptop
Easy side pocket access
Suspended bottom

Fits 17" laptop
Easy side pocket access
Suspended bottom

Fits 15" laptop
Easy side pocket access
Suspended bottom

Fits 17" laptop
Easy side pocket access
Suspended bottom

Fits laptops up to 16” MacBook® Pro

Fits 15" laptop
Easy side pocket access
Suspended bottom

Fits 15" laptop
Easy side pocket access
Suspended bottom

Fits 15" laptop
Easy side pocket access
Suspended bottom

Fits 17" laptop
Easy side pocket access
Suspended bottom

Fits 15" laptop
Easy side pocket access
Suspended bottom

Fits 17" laptop
Easy side pocket access
Suspended bottom

Fits laptops up to 16” MacBook® Pro

Fits 15" laptop
Easy side pocket access
Suspended bottom

Fits 15" laptop
Easy side pocket access
Suspended bottom

MAIN COMPARTMENT

Fleece-lined tablet pocket
Two large mesh pockets
Lockable zippers

Fleece-lined tablet pocket
Two large mesh pockets
Zipper pocket
Lockable zippers

Fleece-lined tablet pocket
Two large mesh pockets
Zipper pocket
Lockable zippers

Fleece-lined tablet pocket
Two large mesh pockets
Lockable zippers

Fleece-lined laptop pocket
Two large mesh pockets
Lockable zippers

Fleece-lined tablet pocket
Two large mesh pockets
Lockable zippers

Protective fleece-lined tablet pocket
Mesh zip organization pockets
Plastic loops for cords and pens

Fleece-lined tablet pocket
Two large mesh pockets
Lockable zippers

Fleece-lined tablet pocket
Two large mesh pockets
Zipper pocket
Lockable zippers

Fleece-lined tablet pocket
Two large mesh pockets
Zipper pocket
Lockable zippers

Fleece-lined tablet pocket
Two large mesh pockets
Lockable zippers

Fleece-lined laptop pocket
Two large mesh pockets
Lockable zippers

Fleece-lined tablet pocket
Two large mesh pockets
Lockable zippers

Protective fleece-lined tablet pocket
Mesh zip organization pockets
Plastic loops for cords and pens

FRONT POCKET ACCESS

One main pocket

One fleece-lined pocket
for glasses

One passport/wallet pocket

Pen loops

Business card pockets

Removable key leash

One deep pocket for books/
magazines

One mesh organization pockets

RFID blocking fabric

Lockable zipper

Three main external
access pockets

Top external access fleece-lined
pocket for glasses with
divider for wallet

Triangle pocket with medium
size pocket, business card
pockets and room in
front for small/medium
size items, RFID blocking fabric

Bottom cord and batter charger
pocket with pen loops

Three main external
access pockets

Top external access fleece-lined
pocket for glasses with
divider for wallet

Triangle pocket with medium
size pocket, business card
pockets and room in
front for small/medium
size items, RFID blocking fabric

Bottom cord and batter charger
pocket with pen loops

One main pocket

One fleece-lined pocket
for glasses

One passport/wallet pocket

Pen loops

Business card pockets

Removable key leash

One deep pocket for books/
magazines

One mesh organization pockets

RFID blocking fabric

Lockable zipper

One main pocket

One fleece-lined pocket
for glasses

One passport/wallet pocket

Pen loops

Business card pockets

Removable key leash

One deep pocket for books/
magazines

One mesh organization pockets

RFID blocking fabric

Lockable zipper

One main pocket

One fleece-lined pocket
for glasses

One passport/wallet pocket

Pen loops

Business card pockets

Removable key leash

One deep pocket for books/
magazines

One mesh organization pockets

RFID blocking fabric

Lockable zipper

No Front Pocket Access

One main pocket

One fleece-lined pocket
for glasses

One passport/wallet pocket

Pen loops

Business card pockets

Removable key leash

One deep pocket for books/
magazines

One mesh organization pockets

RFID blocking fabric

Lockable zipper

Three main external
access pockets

Top external access fleece-lined
pocket for glasses with
divider for wallet

Triangle pocket with medium
size pocket, business card
pockets and room in
front for small/medium
size items, RFID blocking fabric

Bottom cord and batter charger
pocket with pen loops

Three main external
access pockets

Top external access fleece-lined
pocket for glasses with
divider for wallet

Triangle pocket with medium
size pocket, business card
pockets and room in
front for small/medium
size items, RFID blocking fabric

Bottom cord and batter charger
pocket with pen loops

One main pocket

One fleece-lined pocket
for glasses

One passport/wallet pocket

Pen loops

Business card pockets

Removable key leash

One deep pocket for books/
magazines

One mesh organization pockets

RFID blocking fabric

Lockable zipper

One main pocket

One fleece-lined pocket
for glasses

One passport/wallet pocket

Pen loops

Business card pockets

Removable key leash

One deep pocket for books/
magazines

One mesh organization pockets

RFID blocking fabric

Lockable zipper

One main pocket

One fleece-lined pocket
for glasses

One passport/wallet pocket

Pen loops

Business card pockets

Removable key leash

One deep pocket for books/
magazines

One mesh organization pockets

RFID blocking fabric

Lockable zipper

No Front Pocket Access

MATERIAL

Lightweight, 420 denier,
high-density nylon fabric
woven with high-twist yarn
for great durability,
PU coating for water-
resistance, Tough 840
denier ballistic nylon
bottom panels for enhanced
wear characteristics.
Tested to carry loads
up to 40 pounds

Suiting-inspired, custom-
developed, water-resistant
1200 denier two tone
polyester body fabric,
Tested to carry
loads up to 40 pounds.

Suiting-inspired, custom-
developed, water-resistant
1200 deniertwo tone
polyester body fabric,
Tested to carry
loads up to 40 pounds.

Lightweight, 420 denier,
high-density nylon fabric
woven with high-twist yarn
for great durability,
PU coating for water-
resistance, Tough 840
denier ballistic nylon
bottom panels for enhanced
wear characteristics.
Tested to carry loads
up to 40 pounds

Lightweight, 420 denier,
high-density nylon fabric
woven with high-twist yarn
for great durability,
PU coating for water-
resistance, Tough 840
denier ballistic nylon
bottom panels for enhanced
wear characteristics.
Tested to carry loads
up to 40 pounds

840 denier, high-density,
2 x 2 ballistic nylon fabric
woven with high-twist
yarn for great abrasion
resistance. PU coating
for water-resistance.
Tested to carry loads
up to 40 pounds.

Lightweight, 420 denier,
high-density nylon fabric
woven with high-twist yarn
for great durability,
PU coating for water-
resistance, Tough 840
denier ballistic nylon
bottom panels for enhanced
wear characteristics.
Tested to carry loads
up to 40 pounds

Lightweight, 420 denier,
high-density nylon fabric
woven with high-twist yarn
for great durability,
PU coating for water-
resistance, Tough 840
denier ballistic nylon
bottom panels for enhanced
wear characteristics.
Tested to carry loads
up to 40 pounds

Suiting-inspired, custom-
developed, water-resistant
1200 denier two tone
polyester body fabric,
Tested to carry
loads up to 40 pounds.

Suiting-inspired, custom-
developed, water-resistant
1200 deniertwo tone
polyester body fabric,
Tested to carry
loads up to 40 pounds.

Lightweight, 420 denier,
high-density nylon fabric
woven with high-twist yarn
for great durability,
PU coating for water-
resistance, Tough 840
denier ballistic nylon
bottom panels for enhanced
wear characteristics.
Tested to carry loads
up to 40 pounds

Lightweight, 420 denier,
high-density nylon fabric
woven with high-twist yarn
for great durability,
PU coating for water-
resistance, Tough 840
denier ballistic nylon
bottom panels for enhanced
wear characteristics.
Tested to carry loads
up to 40 pounds

840 denier, high-density,
2 x 2 ballistic nylon fabric
woven with high-twist
yarn for great abrasion
resistance. PU coating
for water-resistance.
Tested to carry loads
up to 40 pounds.

Lightweight, 420 denier,
high-density nylon fabric
woven with high-twist yarn
for great durability,
PU coating for water-
resistance, Tough 840
denier ballistic nylon
bottom panels for enhanced
wear characteristics.
Tested to carry loads
up to 40 pounds

TROLLY SLEEVE

WEIGHT

3 lb

3 lbs 4 oz

2 lb 11 oz

3 lbs 4 oz

2 lb 6 oz

3 lb 3 oz

2 pounds 9 ounces

3 lb

3 lbs 4 oz

2 lb 11 oz

3 lbs 4 oz

2 lb 6 oz

3 lb 3 oz

2 pounds 9 ounces

AIRLINE OVERHEAD STORAGE

All Jets

All Jets

All Jets

All Jets

All Jets

All Jets

All Jets

All Jets

All Jets

All Jets

All Jets

All Jets

All Jets

All Jets

AIRLINE UNDER SEAT STORAGE

All Jets

All Jets (when unexpanded)

All Jets

All Jets (when unxpanded)

All Jets

All Jets

All Jets

All Jets

All Jets (when unexpanded)

All Jets

All Jets (when unxpanded)

All Jets

All Jets

All Jets

WATER BOTTLE POCKET

17 oz S'well™
21 oz Hydro Flask™ bottles

25 oz S'well™
24 oz Hydro Flask™ bottles

17 oz S'well™
24 oz Hydro Flask™ bottles

25 oz S'well™
24 oz Hydro Flask™ bottles

Holds up to 24oz Hydro Flask®

17 oz S'well™
21 oz Hydro Flask™ bottles

25 oz S'well™
32 oz Hydro Flask™ bottles

17 oz S'well™
21 oz Hydro Flask™ bottles

25 oz S'well™
24 oz Hydro Flask™ bottles

17 oz S'well™
24 oz Hydro Flask™ bottles

25 oz S'well™
24 oz Hydro Flask™ bottles

Holds up to 24oz Hydro Flask®

17 oz S'well™
21 oz Hydro Flask™ bottles

25 oz S'well™
32 oz Hydro Flask™ bottles

SIDE HANDLE

Yes

Yes

No

Yes

Yes

Yes

Yes

Yes

Yes

No

Yes

Yes

Yes

Yes

Lining Fabric

150 Denier Nylon

150 Denier Nylon

150 Denier Nylon

150 Denier Nylon

150 Denier Nylon

150 Denier Nylon

150 Denier Nylon

150 Denier Nylon

150 Denier Nylon

150 Denier Nylon

150 Denier Nylon

150 Denier Nylon

150 Denier Nylon

150 Denier Nylon

Water Resistant

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Waist Strap

No

Anchor Loops for Waist Strap (Waist Strap sold separately)

No

Removable waist straps

No

No

No

Anchor Loops for Waist Strap (Waist Strap sold separately)

No

Removable waist straps

No

No

Sternum Strap

Yes

Yes

Yes

Yes

No

Yes

Yes

Yes

Yes

Yes

No

Yes

Size Chart

MODEL 5'3

Series 2: Medium

Series 1: Large

Series 1: Medium

Series 2: Large

Series 2: Small

Series 2: Medium

Convertible Duffel

Series 2: Medium

Series 1: Large

Series 1: Medium

Series 2: Large

Series 2: Small

Series 2: Medium

Convertible Duffel

MODEL 5'10

Series 2: Medium

Series 1: Large

Series 1: Medium

Series 2: Large

Series 2: Small

Series 2: Medium

Convertible Duffel

Series 2: Medium

Series 1: Large

Series 1: Medium

Series 2: Large

Series 2: Small

Series 2: Medium

Convertible Duffel

MODEL 6'3

Series 2: Medium

Series 1: Large

Series 1: Medium

Series 2: Large

Series 2: Small

Series 2: Medium

Convertible Duffel

Series 2: Medium

Series 1: Large

Series 1: Medium

Series 2: Large

Series 2: Small

Series 2: Medium

Convertible Duffel