30L Travel Backpacks

Our 30L travel backpacks are designed for those who need just the right amount of space for short to medium trips. With a focus on comfort and durability, these backpacks are your go-to for quick getaways and everyday adventures. Our Series 1 and Series 2 medium-sized expandable backpacks offer patented packing function and flexibility. The Series 1 Medium offers 27 liters of capacity when unexpanded and up to 39 liters when expanded. Similarly, the Series 2 Medium can store 24 liters when unexpanded and up to 35 liters when expanded.

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The Best 30L Travel Backpacks

We designed the best 30L travel backpacks for One Bag Living. Perfect for work and leisure, Knack backpacks feature a patented, separate expandable travel compartment so you can easily pack multiple outfits. Ensure your tech and accessories are safe and organized with our padded laptop compartment and organization pockets. These carry-on backpacks with professional-looking, water-resistant fabric keep your gear dry and within reach, making them great travel backpacks for men and women. Stress less and enjoy more by shopping Knack’s 30L travel backpacks.

30L Backpack Features

  • Expand Your Horizons

    Separate, patented, expandable suitcase compartment makes packing for travel easy by giving you 45% more carrying capacity. Easily access 2 to 3 changes of clothes with a convenient suitcase lid.

  • Stay Organized

    Keep all your gear secure and easy to find with next-level organization, including everything from fleece and mesh accessory pockets to a hidden side-zip water bottle pocket and a padded laptop pocket.

  • Travel Set for Two Backpack Knack

    Be Compatible

    To make your travels easier, our hidden trolley sleeve lets you slip your Knack over the handle of almost all sizes of wheeled luggage.
Travel Knack Backpacks

About Knack

Knack sprang from the simple observation that too many people were carrying too many bags at the same time. This aha moment spurred our passion to live a One Bag Life. So we pulled together a dedicated group of frequent travelers and bag enthusiasts––from Tumi, Coach, North Face, Samsonite, and eBags––to create the one bag that’s clever enough to replace two.

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