--- url: "https://onebag.travel/compare/6aq1z1vjan/deuter-aviant-carry-on-pro-36-sl/n8ttb1wbeu/cotopaxi-allpa-travel-pack-42l/" title: "Deuter Aviant Carry On Pro 36 SL vs Cotopaxi Allpa Travel Pack 42L" description: "Deuter Aviant Carry On Pro 36 SL vs Cotopaxi Allpa Travel Pack 42L: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side." source: "https://onebag.travel/compare/6aq1z1vjan/deuter-aviant-carry-on-pro-36-sl/n8ttb1wbeu/cotopaxi-allpa-travel-pack-42l/" --- 1. [Home](https://onebag.travel/) 2. [Carry-On Travel Backpacks](https://onebag.travel/carryons/) 3. Deuter Aviant Carry On Pro 36 SL vs. Cotopaxi Allpa Travel Pack 42L # Deuter Aviant Carry On Pro 36 SL vs. Cotopaxi Allpa Travel Pack 42L Two carry-on travel backpacks, compared spec for spec. ## [Deuter Aviant Carry On Pro 36 SL](https://onebag.travel/carryon/6aq1z1vjan/deuter-aviant-carry-on-pro-36-sl/) by [Deuter](https://onebag.travel/carryons/?brands=Deuter) ![Front facing view of the Deuter Aviant Carry On Pro 36 SL](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1621817878/carryons/Deuter_Aviant_Carry_On_Pro_36_SL_qlqmbx.webp)
Capacity36 L
Weight1.34 kg
Dimensions55×34×23 cm
Airline fit68%
Price$128
## Feature by feature | Deuter Aviant Carry On Pro 36 SL | Feature | Cotopaxi Allpa Travel Pack 42L | | --- | --- | --- | | Storage | | N | Compression | N | | None | Expanded Capacity | None | | 1 | Opening | 1 | | N | Passport | front | | Y | Passthrough | Y | | Carry | | hideable | Backpack | hideable | | N | Hip Belt | hideable | | Y | Sternum Strap | Y | | Inside | | 15in | Laptop | 15in | | 1 | Main Compartments | 3 | | Y | Organizer | Y | | Outside | | × | Hard Shell | × | | N | Rain-fly | N | | N | Water Bottle Holder | 1, side | | Y | Water Resistant | Y |
Material
600D PES, 420D PA100% recycled 840D TPU-coated nylon
## [Cotopaxi Allpa Travel Pack 42L](https://onebag.travel/carryon/n8ttb1wbeu/cotopaxi-allpa-travel-pack-42l/) by [Cotopaxi](https://onebag.travel/carryons/?brands=Cotopaxi) ![Front facing view of the Cotopaxi Allpa Travel Pack 42L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1621552508/carryons/Cotopaxi_Allpa_Travel_Pack_42L_e0l0ab.webp)
Capacity42 L
Weight1.4 kg
Dimensions56×36×27 cm
Airline fit2%
Price$250
## Key differences between the Deuter Aviant Carry On Pro 36 SL and Cotopaxi Allpa Travel Pack 42L - **Passport pocket:** No on the Deuter Aviant Carry On Pro 36 SL; Front on the Cotopaxi Allpa Travel Pack 42L. - **Hip belt:** No on the Deuter Aviant Carry On Pro 36 SL; Hideable on the Cotopaxi Allpa Travel Pack 42L. - **Main compartments:** 1 on the Deuter Aviant Carry On Pro 36 SL; 3 on the Cotopaxi Allpa Travel Pack 42L. - **Water bottle pockets:** No on the Deuter Aviant Carry On Pro 36 SL; 1, side on the Cotopaxi Allpa Travel Pack 42L. Both have: luggage passthrough, backpack straps, sternum strap, laptop sleeve, built-in organizer, water resistant. ## Which airlines take each bag as a carry-on We checked both bags against the carry-on size limits of 189 airlines. 4 accept both. 125 accept only the Deuter Aviant Carry On Pro 36 SL, and 0 accept only the Cotopaxi Allpa Travel Pack 42L. ### Only the Deuter Aviant Carry On Pro 36 SL fits Adria Airways, Aegean Airlines, Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Asia, Air Astana, Air Canada, Air Caraibes, Air Europa, Air France, Air India, Air Koryo, Air Macau, Air Mauritius, Air New Zealand, Air Nostrum, Air Tahiti Nui, Air Wisconsin, AirAsiaX, Alaska Airlines, All Nipon Airways, Allegiant Air, American Airlines, ANA, Atlas Global, Austrian, Avianca , Azerbaijan Airlines, Azul Linhas, Bahamasair, Bangkok Airways, Biman Bangladesh, Boliviana de Aviacion, British Airways, Brussels Airlines, Cambodia Angkor Air, Caribbean Airlines, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, China Southern, CommutAir, Conviasa, Copa Airlines, Croatia Air, Cubana de Aviacion, Czech Airlines, Delta Airlines, Dragonair, EL AL, Ethiopian Airlines, Eurowings, EVA Air, Fiji Airways, Finnair, Flair Air, Frontier Airlines, Garuda Indonesia, Gol Linhas Aereas, Hainan Airlines, Hawaiian Airlines, Hong Kong Airlines, Iberia, Indigo, Interjet, Iran Air, Iran Aseman Air, Japan Airlines, Jet Airways, Jet2, jetBlue Airways, Jetstar Airways, Jetstar Asia, Kenya Airways, KLM, Korean Air, Kulula, Kuwait Air, LATAM , LOT Polish, Lufthansa, Mahan Air, Malaysia Airlines, Mango, Mesa Airlines, Middle East Airlines, Monarch Airlines, Norwegian, Onur Air, Peach, PenAir, Philippine Airlines, Porter Airlines, Qantas Airways, Republic Airways, Royal Air Morocco, SAS Scandinavian, Saudi Arabian Airlines, Sichuan Airlines, SilkAir, Silver Airways, Singapore Airlines, Sky Airlines, Skywest, Inc., South African Airways, Southwest Airlines, SpiceJet, Spirit Airlines, SriLankan Airlines, Swiss Int'l Air Lines, TAAG Angola, TAM Airlines, Thai Airways, Trans States, Travel Service Airlines, Turkish Airlines, United Airlines, Ural Airlines, Uzbekistan Air, Vietnam Airlines, Virgin Atlantic, WOW Airlines. ## Deuter Aviant Carry On Pro 36 SL vs. Cotopaxi Allpa Travel Pack 42L: which should you pack? The **Cotopaxi Allpa Travel Pack 42L** carries 6L more than the **Deuter Aviant Carry On Pro 36 SL** (36L vs. 42L), while the **Deuter Aviant Carry On Pro 36 SL** is the lighter pack at 1.34kg (vs. 1.4kg). For carry-on flexibility, the **Deuter Aviant Carry On Pro 36 SL** fits 68% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Cotopaxi Allpa Travel Pack 42L; if you want to travel lighter, the Deuter Aviant Carry On Pro 36 SL is the better call.