---
url: "https://onebag.travel/carryon/8aqroxn420/knack-bags-medium-expandable-knack-pack-v2/"
title: "Knack Bags Medium Expandable Knack Pack v2 Details - One Bag Travel"
description: "Reviews, airline compatibility, and specifications of the Knack Bags Medium Expandable Knack Pack v2 carry-on travel backpack."
source: "https://onebag.travel/carryon/8aqroxn420/knack-bags-medium-expandable-knack-pack-v2/"
---
1.  [Home](https://onebag.travel/)
2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Knack Bags Medium Expandable Knack Pack v2

# Knack Bags Medium Expandable Knack Pack v2

by [Knack Bags](https://onebag.travel/carryons/?brands=Knack Bags)

Capacity 24 L

Weight 1.4 kg 3 lbs

Dimensions 48×31×11 cm 19×12×4.5 in

Airline fit 92 % of airlines

![Front facing view of the Knack Bags Medium Expandable Knack Pack v2](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990374/carryons/knack-bags-medium-expandable-knack-pack-v2-8aqroxn420.webp)

**Deeper stats**



<table class="table table-sm table-borderless" id="carryon-details-table"><tbody><tr><td><span class="underline" title="Litres of capacity per unit of pack weight — higher means you carry more for less.">Capacity-to-weight</span></td><td><span class="metric-value">17.1 L/kg</span> <span class="imperial-value">8 L/lb</span></td><td><span class="badge badge-danger">Low</span></td></tr><tr><td><span class="underline" title="Total interior volume implied by the outer dimensions.">Cubic space</span></td><td><span class="metric-value">16.4 L</span> <span class="imperial-value">1026 in³</span></td><td></td></tr><tr><td><span class="underline" title="Gap between the bag's outer volume and its rated capacity — lower packs more efficiently.">Rated vs. shell</span></td><td><span class="metric-value">-7 L</span><span class="imperial-value">-7 L</span></td><td><span class="badge badge-success">Low</span></td></tr></tbody></table>

**Airline Compatibility**

✈️ 92% (174/189)

This bag is within the published carry-on limit of 92% of the 189 airlines that publish one.

[Link to Manufacturer](https://knackbags.com/products/medium-expandable-backpacks-series-2?variant=42097482727485)

## Features

<table class="table table-sm  table-borderless" id="carryon-details-table"><tbody><tr><td colspan="2" class="border-bottom"><strong>Storage</strong></td></tr><tr><td><span class="underline" title="Does this carry-on travel backpack have a way to compress the contents to make them smaller?">Compression</span></td><td>No</td></tr><tr><td><span class="underline" title="If this carry-on expands, how much does it expand by?">Expanded Capacity</span></td><td><span>35L</span></td></tr><tr><td><span class="underline" title="The type of opening does this carry-on travel backpack have in degrees.">Opening</span></td><td>Clamshell</td></tr><tr><td><span class="underline" title="Does this carry-on travel backpack have a dedicated passport holder?">Passport</span></td><td>Front</td></tr><tr><td><span class="underline" title="Does this carry-on travel backpack have a pass-through opening so you can reach the main compartments without fully opening the bag?">Passthrough</span></td><td>No</td></tr><tr><td colspan="2" class="border-bottom"><strong>Carry</strong></td></tr><tr><td><span class="underline" title="Does this have backpack straps?">Backpack</span></td><td>Hideable</td></tr><tr><td><span class="underline" title="Does this carry-on travel backpack have a belt that goes around your hip to help support the weight of the bag?">Hip Belt</span></td><td>No</td></tr><tr><td><span class="underline" title="Does this carry-on travel backpack have a strap that goes around your upper chest so help support the weight of the bag?">Sternum Strap</span></td><td>Removable</td></tr><tr><td colspan="2" class="border-bottom"><strong>Inside</strong></td></tr><tr><td><span class="underline" title="What size laptop sleeve can this carry-on travel backpack fit?">Laptop</span></td><td>16in</td></tr><tr><td><span class="underline" title="The number of main compartments this bag has.  Side and small compartments don't count.">Main Compartments</span></td><td>3</td></tr><tr><td><span class="underline" title="Does the main compartment of the carry-on travel backpack have features which help you organize?">Organizer</span></td><td>No</td></tr><tr><td colspan="2" class="border-bottom"><strong>Outside</strong></td></tr><tr><td><span class="underline" title="Does the backpack have a hardshell component to protect your packed items?">Hard Shell</span></td><td>No</td></tr><tr><td><span class="underline" title="Does this carry on have a rain-fly to protect it from the weather?">Rain-fly</span></td><td>No</td></tr><tr><td><span class="underline" title="The number of bottle holders this bag has">Water Bottle Holder</span></td><td>1 (side)</td></tr><tr><td><span class="underline" title="Is this carry-on travel backpack made with water resistant material?">Water Resistant</span></td><td>Yes</td></tr><tr><td colspan="2"><span class="underline" title="What type of material is this carry-on travel backpack made of?"><strong>Material:</strong></span><br>PU coated 420 denier, high-density nylon</td></tr></tbody></table>

## Fits the carry-on limits of 174 airlines

Adria Airways Aegean Airlines Aer Lingus Aeroflot Aerolineas Argentinas Aeromexico Air Asia Air Astana Air Baltic Air Canada Air Caraibes Air China Air Europa Air France Air India Air Koryo Air Macau Air Malta Air Mauritius Air New Zealand Air Nostrum Air Serbia Air Seychelles Air Tahiti Nui Air Wisconsin AirAsiaX Alaska Airlines All Nipon Airways Allegiant Air American Airlines ANA Asiana Airlines ATA Airlines Atlas Global Austrian Avianca Azerbaijan Airlines Azul Airlines Azul Linhas Bahamasair Bangkok Airways Belavia Biman Bangladesh Blue Air Boliviana de Aviacion British Airways Brussels Airlines Bulgaria Air Cambodia Angkor Air Caribbean Airlines Cathay Pacific Cayman Airways Cebu Pacific China Airlines China Eastern China Southern CommutAir Conviasa Copa Airlines Croatia Air Cubana de Aviacion Czech Airlines Delta Airlines Dragonair EL AL Emirates Airlines Enter Air Ethiopian Airlines Etihad Airways Eurowings EVA Air Fiji Airways Finnair Flair Air flybe Frontier Airlines Garuda Indonesia Gol Linhas Aereas Hainan Airlines Hawaiian Airlines Hong Kong Airlines Iberia Icelandair Indigo InselAir Interjet Iran Air Iran Aseman Air Island Air Japan Airlines Jet Airways Jet2 jetBlue Airways Jetstar Airways Jetstar Asia Juneyao Airlines Kenya Airways KLM Korean Air Kulula Kuwait Air LATAM Liat Airlines LOT Polish Lufthansa Luxair Mahan Air Malaysia Airlines Mango Meridiana Fly Mesa Airlines Middle East Airlines Monarch Airlines Nordwind Airlines Norwegian Oman Air Onur Air Pakistan International Peach PenAir Philippine Airlines Porter Airlines Qantas Airways Qatar Airways Regional Express Republic Airways Royal Air Morocco Royal Brunei Airlines Royal Jordanian Ryanair S7 SAS Scandinavian Saudi Arabian Airlines Scoot Shandong Airlines Shenzhen Airlines Sichuan Airlines SilkAir Silver Airways Singapore Airlines Sky Airlines Skywest, Inc. South African Airways Southwest Airlines SpiceJet Spirit Airlines SriLankan Airlines Sun Country Sun Express Swiss Int'l Air Lines TAAG Angola TAM Airlines TAP Air Portugal TAROM Thai Airways Tianjin Airlines (A320 & E190) Tiger Airways Trans States Travel Service Airlines TUI Turkish Airlines Ukraine International United Airlines Ural Airlines Uzbekistan Air Vietnam Airlines VIM Airlines (Closed) Virgin America Virgin Atlantic Virgin Australia Volotea WestJet WOW Airlines Xiamen

## Similar backpacks

Travel backpacks with comparable features and capacity.

[![Db Journey Ramverk carry-on backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_360/v1788990353/carryons/db-journey-ramverk-243zm7o2eb.webp)](https://onebag.travel/carryon/243zm7o2eb/db-journey-ramverk/)

[Db Journey Ramverk](https://onebag.travel/carryon/243zm7o2eb/db-journey-ramverk/) [Db Journey](https://onebag.travel/brand/db-journey/)

21L 1.1kg 95% fit

**50%** match **3L** diff [Compare →](https://onebag.travel/compare/8aqroxn420/knack-bags-medium-expandable-knack-pack-v2/243zm7o2eb/db-journey-ramverk/)

[![Bellroy Transit Workpack Second Edition carry-on backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_360/v1788990339/carryons/bellroy-transit-workpack-second-edition-57d1gz3v6t.webp)](https://onebag.travel/carryon/57d1gz3v6t/bellroy-transit-workpack-second-edition/)

[Bellroy Transit Workpack Second Edition](https://onebag.travel/carryon/57d1gz3v6t/bellroy-transit-workpack-second-edition/) [Bellroy](https://onebag.travel/brand/bellroy/)

20L 1kg 60% fit

**50%** match **4L** diff [Compare →](https://onebag.travel/compare/8aqroxn420/knack-bags-medium-expandable-knack-pack-v2/57d1gz3v6t/bellroy-transit-workpack-second-edition/)

[![Alpha One-Niner Whitley Backpack carry-on backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_360/v1788990332/carryons/alpha-one-niner-whitley-backpack-ynae3xywz6.webp)](https://onebag.travel/carryon/ynae3xywz6/alpha-one-niner-whitley-backpack/)

[Alpha One-Niner Whitley Backpack](https://onebag.travel/carryon/ynae3xywz6/alpha-one-niner-whitley-backpack/) [Alpha One-Niner](https://onebag.travel/brand/alpha-one-niner/)

20L 1.2kg 93% fit

**50%** match **4L** diff [Compare →](https://onebag.travel/compare/8aqroxn420/knack-bags-medium-expandable-knack-pack-v2/ynae3xywz6/alpha-one-niner-whitley-backpack/)

No photo yet

[Deuter Utilion 30](https://onebag.travel/carryon/th3li8ory7/deuter-utilion-30/) [Deuter](https://onebag.travel/brand/deuter/)

30L 1.1kg 89% fit

**50%** match **6L** diff [Compare →](https://onebag.travel/compare/8aqroxn420/knack-bags-medium-expandable-knack-pack-v2/th3li8ory7/deuter-utilion-30/)

[![Topo Designs Global Travel Bag 30L carry-on backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_360/v1788990450/carryons/topo-designs-global-travel-bag-30l-v8w05nc01o.webp)](https://onebag.travel/carryon/v8w05nc01o/topo-designs-global-travel-bag-30l/)

[Topo Designs Global Travel Bag 30L](https://onebag.travel/carryon/v8w05nc01o/topo-designs-global-travel-bag-30l/) [Topo Designs](https://onebag.travel/brand/topo-designs/)

30L 1.2kg 89% fit

**50%** match **6L** diff [Compare →](https://onebag.travel/compare/8aqroxn420/knack-bags-medium-expandable-knack-pack-v2/v8w05nc01o/topo-designs-global-travel-bag-30l/)

[![Trakke Stor carry-on backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_360/v1601579706/carryons/trakke_wcngmr.webp)](https://onebag.travel/carryon/2ejwt5vraf/trakke-stor/)

[Trakke Stor](https://onebag.travel/carryon/2ejwt5vraf/trakke-stor/) [Trakke](https://onebag.travel/brand/trakke/)

30L 1.4kg 91% fit

**50%** match **6L** diff [Compare →](https://onebag.travel/compare/8aqroxn420/knack-bags-medium-expandable-knack-pack-v2/2ejwt5vraf/trakke-stor/)

No photo yet

[Patagonia Black Hole MLC Wheeled Duffel 34L](https://onebag.travel/carryon/ait0dfd8mm/patagonia-black-hole-mlc-wheeled-duffel-34l/) [Patagonia](https://onebag.travel/brand/patagonia/)

34L 2.9kg 88% fit

**50%** match **10L** diff [Compare →](https://onebag.travel/compare/8aqroxn420/knack-bags-medium-expandable-knack-pack-v2/ait0dfd8mm/patagonia-black-hole-mlc-wheeled-duffel-34l/)

[![Pakt One Travel Backpack 35L carry-on backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_360/v1788990421/carryons/pakt-one-travel-backpack-35l-dsurtnmcyx.webp)](https://onebag.travel/carryon/dsurtnmcyx/pakt-one-travel-backpack-35l/)

[Pakt One Travel Backpack 35L](https://onebag.travel/carryon/dsurtnmcyx/pakt-one-travel-backpack-35l/) [Pakt](https://onebag.travel/brand/pakt/)

35L 1.8kg 72% fit

**50%** match **11L** diff [Compare →](https://onebag.travel/compare/8aqroxn420/knack-bags-medium-expandable-knack-pack-v2/dsurtnmcyx/pakt-one-travel-backpack-35l/)

[![Yeti All-Weather Backpack 25L carry-on backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_360/v1788990463/carryons/yeti-all-weather-backpack-25l-mflfu1v34w.webp)](https://onebag.travel/carryon/mflfu1v34w/yeti-all-weather-backpack-25l/)

[Yeti All-Weather Backpack 25L](https://onebag.travel/carryon/mflfu1v34w/yeti-all-weather-backpack-25l/) [Yeti](https://onebag.travel/brand/yeti/)

25L 1.6kg 67% fit

**45%** match **1L** diff [Compare →](https://onebag.travel/compare/8aqroxn420/knack-bags-medium-expandable-knack-pack-v2/mflfu1v34w/yeti-all-weather-backpack-25l/)

[![Fjallraven Haulpack No.1 carry-on backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_360/v1788990362/carryons/fjallraven-haulpack-no-1-nggv1cd8hk.webp)](https://onebag.travel/carryon/nggv1cd8hk/fjallraven-haulpack-no-1/)

[Fjallraven Haulpack No.1](https://onebag.travel/carryon/nggv1cd8hk/fjallraven-haulpack-no-1/) [Fjallraven](https://onebag.travel/brand/fjallraven/)

23L 0.9kg 96% fit

**45%** match **1L** diff [Compare →](https://onebag.travel/compare/8aqroxn420/knack-bags-medium-expandable-knack-pack-v2/nggv1cd8hk/fjallraven-haulpack-no-1/)

No photo yet

[United by Blue (R)evolution 25L Convertible Carryall](https://onebag.travel/carryon/k4334kffo5/united-by-blue-revolution-25l-convertible-carryall/) [United by Blue](https://onebag.travel/brand/united-by-blue/)

25L 96% fit

**45%** match **1L** diff [Compare →](https://onebag.travel/compare/8aqroxn420/knack-bags-medium-expandable-knack-pack-v2/k4334kffo5/united-by-blue-revolution-25l-convertible-carryall/)

[![Evergoods Mountain Panel Loader 22L carry-on backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_360/v1788990360/carryons/evergoods-mountain-panel-loader-22l-shohjmlydl.webp)](https://onebag.travel/carryon/shohjmlydl/evergoods-mountain-panel-loader-22l/)

[Evergoods Mountain Panel Loader 22L](https://onebag.travel/carryon/shohjmlydl/evergoods-mountain-panel-loader-22l/) [Evergoods](https://onebag.travel/brand/evergoods/)

22L 0.9kg 92% fit

**45%** match **2L** diff [Compare →](https://onebag.travel/compare/8aqroxn420/knack-bags-medium-expandable-knack-pack-v2/shohjmlydl/evergoods-mountain-panel-loader-22l/)

[![Patagonia Black Hole® Mini MLC® 26L carry-on backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_360/v1632993856/carryons/Patagonia_Black_Hole_Mini_MLC_26L_qopywy.webp)](https://onebag.travel/carryon/v8fti7o34o/patagonia-black-hole-mini-mlc-26l/)

[Patagonia Black Hole® Mini MLC® 26L](https://onebag.travel/carryon/v8fti7o34o/patagonia-black-hole-mini-mlc-26l/) [Patagonia](https://onebag.travel/brand/patagonia/)

26L 1.3kg 88% fit

**45%** match **2L** diff [Compare →](https://onebag.travel/compare/8aqroxn420/knack-bags-medium-expandable-knack-pack-v2/v8fti7o34o/patagonia-black-hole-mini-mlc-26l/)

[![GORUCK GR2 26 carry-on backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_360/v1625712745/carryons/GoRuck_GR2_40_tf3mtl.webp)](https://onebag.travel/carryon/qj599453br/goruck-gr2-26/)

[GORUCK GR2 26](https://onebag.travel/carryon/qj599453br/goruck-gr2-26/) [GORUCK](https://onebag.travel/brand/goruck/)

26L 1.8kg 94% fit

**45%** match **2L** diff [Compare →](https://onebag.travel/compare/8aqroxn420/knack-bags-medium-expandable-knack-pack-v2/qj599453br/goruck-gr2-26/)

[![HEIMPLANET Monolith 22L carry-on backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_360/v1601601722/carryons/hemimonolith_ptcn0o.webp)](https://onebag.travel/carryon/9d6jgc9oin/heimplanet-monolith-22l/)

[HEIMPLANET Monolith 22L](https://onebag.travel/carryon/9d6jgc9oin/heimplanet-monolith-22l/) [Heimplanet](https://onebag.travel/brand/heimplanet/)

22L 1.1kg 92% fit

**45%** match **2L** diff [Compare →](https://onebag.travel/compare/8aqroxn420/knack-bags-medium-expandable-knack-pack-v2/9d6jgc9oin/heimplanet-monolith-22l/)

[![ILE Radius carry-on backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_360/v1601581743/carryons/iliradius_o2l2hr.webp)](https://onebag.travel/carryon/tsqm4rx2cs/ile-radius/)

[ILE Radius](https://onebag.travel/carryon/tsqm4rx2cs/ile-radius/) [ILE](https://onebag.travel/brand/ile/)

21L 93% fit

**45%** match **3L** diff [Compare →](https://onebag.travel/compare/8aqroxn420/knack-bags-medium-expandable-knack-pack-v2/tsqm4rx2cs/ile-radius/)

No photo yet

[Moment Everything Backpack 21L Overnight](https://onebag.travel/carryon/ttfp84t9n3/moment-everything-backpack-21l-overnight/) [Moment](https://onebag.travel/brand/moment/)

21L 0.8kg 93% fit

**45%** match **3L** diff [Compare →](https://onebag.travel/compare/8aqroxn420/knack-bags-medium-expandable-knack-pack-v2/ttfp84t9n3/moment-everything-backpack-21l-overnight/)

[![Minaal Daily 3.0 carry-on backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_360/v1629848509/carryons/Minaal_Daily_3.0_cmfyty.webp)](https://onebag.travel/carryon/ovbxmli0fe/minaal-daily-3-0/)

[Minaal Daily 3.0](https://onebag.travel/carryon/ovbxmli0fe/minaal-daily-3-0/) [Minaal](https://onebag.travel/brand/minaal/)

21L 1kg 95% fit

**45%** match **3L** diff [Compare →](https://onebag.travel/compare/8aqroxn420/knack-bags-medium-expandable-knack-pack-v2/ovbxmli0fe/minaal-daily-3-0/)

[![Alpha One-Niner Recon Nine Evade 1.5 (Lite) carry-on backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_360/v1788990331/carryons/alpha-one-niner-recon-nine-evade-1-5-lite-ap0pdaoobf.webp)](https://onebag.travel/carryon/ap0pdaoobf/alpha-one-niner-recon-nine-evade-1-5-lite/)

[Alpha One-Niner Recon Nine Evade 1.5 (Lite)](https://onebag.travel/carryon/ap0pdaoobf/alpha-one-niner-recon-nine-evade-1-5-lite/) [Alpha One-Niner](https://onebag.travel/brand/alpha-one-niner/)

21L 1.4kg 94% fit

**45%** match **3L** diff [Compare →](https://onebag.travel/compare/8aqroxn420/knack-bags-medium-expandable-knack-pack-v2/ap0pdaoobf/alpha-one-niner-recon-nine-evade-1-5-lite/)

[![Craghoppers Kiwi Classic Rolltop Backpack 20L carry-on backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_360/v1788990351/carryons/craghoppers-kiwi-classic-rolltop-backpack-20l-gu04cf276g.webp)](https://onebag.travel/carryon/gu04cf276g/craghoppers-kiwi-classic-rolltop-backpack-20l/)

[Craghoppers Kiwi Classic Rolltop Backpack 20L](https://onebag.travel/carryon/gu04cf276g/craghoppers-kiwi-classic-rolltop-backpack-20l/) [Craghoppers](https://onebag.travel/brand/craghoppers/)

20L 0.6kg 93% fit

**45%** match **4L** diff [Compare →](https://onebag.travel/compare/8aqroxn420/knack-bags-medium-expandable-knack-pack-v2/gu04cf276g/craghoppers-kiwi-classic-rolltop-backpack-20l/)