Carry on luggage

Thule Subterra Carry-On 40L

A versatile, soft-sided carry-on designed to help maximize packing space. Includes a separate sleek laptop sleeve for travel convenience.


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    • Can be carried in two different ways: as a backpack and a shoulder bag (all straps tuck away when not in use)
    • Laptop and tablet can be carried separate from the bag in removable sleeve with tablet storage, PowerPocket and accessory organization
    • Cords are neatly managed between your device and your mobile charger in the internal PowerPocket
    • Keep belongings organized and contained with the zippered mesh divider in the main compartment
    • Separate your shoes and dirty laundry from other belongings in the multi-purpose compartment
    • Smooth lifting and rearranging in overhead bins with top, side and bottom grab handles
    • Complies with carry-on requirements for most airlines
    • Effortless travel thanks to secure attachment to rolling luggage using the pass-through panel
    • Securely store and easily access important documents in hidden passport pocket behind pass-through panel
    • Quick access to keys, wallet and smaller items through zippered mesh pocket

    Technical specifications

    Dimensions 8.3 x 13.8 x 21.7 in
    Weight 3.5 lb
    Volume 40 L
    Color Ember
    Material 800D nylon
    Model name TSD-340
    Model number 3203445


    Thule BringIt! GuaranteeThule is dedicated to providing exceptional products that are quality tested and guaranteed against defects in materials and workmanship.

    View warranty details


    Great Product!


    I chose this as a carry-on for long trips to ensure that I have at least a set of of clothes to change in, for cases when flights get diverted, or cancelled and have no access to my check in luggage. The laptop sleeve that you can detach was a bonus for me, specially for 1-2 day trips wherein now i no longer have a laptop bag/knapsack and my luggage to carry but just one bag. he knapsack "mode" is quite useful, but make no mistake its not really a knapsack (e.g. ergonomics, water pocket) - but it still gets the job done.




    So close...


    This bag looked like it was perfect, so perfect in fact that I ordered it overlooking one glaringly obvious flaw...there's no water bottle holder. I wanted to love everything about this bag, it's sleek, well made, super comfortable to use as a backpack...but what's the point if there's no pouch for water or keys or misc things that I need quick access to without having to take the bag totally off and unzip. It seems like Thule has figured out how to put one on all their other bags, how was this one over looked? Add a beverage pouch on the next iteration and I'll buy it in a heartbeat but for now this one is already going back.

    Carryon Only



    It's a good bag, but a terrible backpack


    This is an OK bag, and only a few oversights are keeping it from being great. Thicker backpack straps with a mesh foam back cushion would make it truly usable as a backpack. The mesh "lid" in the main compartment should have its zipper direction reversed, so that the inside could be reached from the top without split opening the whole bag, when in backpack mode. It would be better to move the main zipper more to the front of the bag, so that the bulk of the bag is solidly attached to the rear and only a thin lid in the front opens up. This would also allow the bag to split open without undoing the backpack straps AND enable another spot for a small pocket for various items on the top (fleece lined sunglass pocket for example). Furthermore, this would allow the opening of the bag when its placed on its back on the ground instead of front-down, as it is now. Currently the two only pockets will generally be occupied by clothes/shoes and a liquid baggy for airport security checks, leaving no empty easy access pockets for a water bottle, umbrella or anything else picked up on the way. The main compartment also needs tie-down straps. With Thule it seems that you pay for the quality, rather than the feature set. The straps are solidly sewn onto nylon webbing, all zippers and seams are done well, the bag really feels like a quality item. But really basic oversights, like no tie down straps in the main compartment, no simple pocket for extra stuff picked up along the way (i.e. water bottles) make you really question if it's worth the high price. Would I recommend this as a simple grown up shoulder bag? Yes. Would I recommend it as a feature rich bag/backpack combo for everyone? No




    Thule Subterra Carry-On 40L

    4.3 7


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