The Rover Backpack

DEFY The Rover Backpack is a 40L, 2.04kg4.5lb travel backpack measuring 33×50.8×22.9cm13×20×9in. It fits the carry-on size limit of 30 of 36 major airlines and the personal-item limit of 0 of 26. Under the seat, its 22.9cm9in side is over the 20cm7.9in limit at 15 of the 26 airlines it misses. Specs from defybags.com, checked October 2026.

Volume: 40Lfixed size
Weight: 2.04kg4.5lb4.5lb2.04kg
Carry-on: 30/36airlines fit it
Personal item: 0/26under-seat limits

Dimensions: 33×50.8×22.9cm13×20×9in 13×20×9in33×50.8×22.9cm
Price: $388 as of October 2026
Laptop: up to 15"
Opening: two oversized YKK AquaGuard zips across the top, front and back zip pockets
Warranty: No fixed term Defects in materials and craftsmanship for the original owner; paid repairs for wear and tear.
Compartments: n/a
Bottle pockets: n/a

Organizer
MOLLE
Sternum strap (insert sold separately)
Shoulder strap (removable)
Luggage pass-through

Material: 1050D MIL-SPEC ballistic nylon exterior, 1000D water-resistant silver CORDURA lining

Duffel that carries in hand, on the shoulder or on the back via detachable padded straps
8 in MIL-SPEC trolley strap for tethering to a suitcase
Side pockets fit a 32 oz Nalgene
Also sold in X-Pac, X-Pac X11, TexWax and Rogue Camo CORDURA editions

Last checked: 2026-10. Prices and specs may have changed.

Does the DEFY The Rover Backpack fit airline carry-on limits?

Draw against

Too bigToo big on Ryanair. cabin bag 55×40×20cm21.5×15.5×8in · under the seat 40×30×20cm15.5×12×8in. Bag in cminches, turned to fit.

Flag as a tight fit undercm spare

Airline	Carry-on	Personal item	Cabin-bag weight
Air Arabia	Too bigToo big	Too bigToo big	5kg to pack (of 7kg)11lb to pack (of 15.4lb)
Air CanadaCabin bag not on every fare	Tight fit (0.1cm spare)Tight fit (0in spare)	Too bigToo big	No published limitNo published limit
Air FranceCabin bag not on every fare	FitsFits	Too bigToo big	10kg to pack (of 12kg shared with personal item)22lb to pack (of 26.5lb shared with personal item)
Air India	Too bigToo big	No published limit	5kg to pack (of 7kg)11lb to pack (of 15.4lb)
AirAsia	Tight fit (0.1cm spare)Tight fit (0in spare)	Too bigToo big	5kg to pack (of 7kg shared with personal item)11lb to pack (of 15.4lb shared with personal item)
Alaska Airlines	Tight fit (0.1cm spare)Tight fit (0in spare)	No published limit	No published limitNo published limit
Allegiant AirCabin bag not on every fare	FitsFits	Too bigToo big	No published limitNo published limit
American Airlines	Tight fit (0.1cm spare)Tight fit (0in spare)	Too bigToo big	No published limitNo published limit
ANA (All Nippon Airways)	FitsFits	Too bigToo big	8kg to pack (of 10kg shared with personal item)17.6lb to pack (of 22lb shared with personal item)
AviancaCabin bag not on every fare	FitsFits	No published limit	8kg to pack (of 10kg)17.6lb to pack (of 22lb)
British Airways	FitsFits	Too bigToo big	No published limitNo published limit
Cebu Pacific	Tight fit (0.1cm spare)Tight fit (0in spare)	Too bigToo big	8kg to pack (of 10kg shared with personal item)17.6lb to pack (of 22lb shared with personal item)
Delta Air Lines	Tight fit (0.1cm spare)Tight fit (0in spare)	No published limit	No published limitNo published limit
easyJetCabin bag not on every fare	FitsFits	Too bigToo big	13kg to pack (of 15kg)28.7lb to pack (of 33.1lb)
Emirates	Too bigToo big	No published limit	5kg to pack (of 7kg)11lb to pack (of 15.4lb)
Frontier AirlinesCabin bag not on every fare	FitsFits	Too bigToo big	13.9kg to pack (of 15.9kg)30.6lb to pack (of 35.1lb)
Gol Linhas Aereas	FitsFits	No published limit	8kg to pack (of 10kg)17.6lb to pack (of 22lb)
IndiGo	FitsFits	No published limit	5kg to pack (of 7kg)11lb to pack (of 15.4lb)
JetBlue Airways	Tight fit (0.1cm spare)Tight fit (0in spare)	Too bigToo big	No published limitNo published limit
KLMCabin bag not on every fare	FitsFits	Too bigToo big	10kg to pack (of 12kg shared with personal item)22lb to pack (of 26.5lb shared with personal item)
LATAM Airlines	FitsFits	Too bigToo big	10kg to pack (of 12kg)22lb to pack (of 26.5lb)
LufthansaCabin bag not on every fare	Tight fit (0.1cm spare)Tight fit (0in spare)	Too bigToo big	6kg to pack (of 8kg)13.2lb to pack (of 17.6lb)
Norwegian Air ShuttleCabin bag not on every fare	Tight fit (0.1cm spare)Tight fit (0in spare)	Too bigToo big	8kg to pack (of 10kg shared with personal item)17.6lb to pack (of 22lb shared with personal item)
Qantas	Tight fit (0.1cm spare)Tight fit (0in spare)	No published limit	5kg to pack (of 7kg shared with personal item)11lb to pack (of 15.4lb shared with personal item)
Qatar Airways	Too bigToo big	No published limit	5kg to pack (of 7kg)11lb to pack (of 15.4lb)
RyanairCabin bag not on every fare	Too bigToo big	Too bigToo big	8kg to pack (of 10kg)17.6lb to pack (of 22lb)
SAS	Tight fit (0.1cm spare)Tight fit (0in spare)	Too bigToo big	6kg to pack (of 8kg)13.2lb to pack (of 17.6lb)
Singapore Airlines	FitsFits	Too bigToo big	5kg to pack (of 7kg)11lb to pack (of 15.4lb)
Southwest Airlines	FitsFits	No published limit	No published limitNo published limit
Turkish Airlines	Tight fit (0.1cm spare)Tight fit (0in spare)	Too bigToo big	6kg to pack (of 8kg)13.2lb to pack (of 17.6lb)
United AirlinesCabin bag not on every fare	Tight fit (0.1cm spare)Tight fit (0in spare)	Too bigToo big	No published limitNo published limit
Vietjet Air	Tight fit (0.1cm spare)Tight fit (0in spare)	Too bigToo big	5kg to pack (of 7kg shared with personal item)11lb to pack (of 15.4lb shared with personal item)
VolarisCabin bag not on every fare	FitsFits	Too bigToo big	8kg to pack (of 10kg)17.6lb to pack (of 22lb)
VuelingCabin bag not on every fare	Too bigToo big	Too bigToo big	8kg to pack (of 10kg)17.6lb to pack (of 22lb)
WestJetCabin bag not on every fare	Tight fit (0.1cm spare)Tight fit (0in spare)	Too bigToo big	No published limitNo published limit
Wizz AirCabin bag not on every fare	Tight fit (0.1cm spare)Tight fit (0in spare)	Too bigToo big	8kg to pack (of 10kg)17.6lb to pack (of 22lb)

Compared in any orientation against each airline's published size limit. A tight fit has under 2cm to spare, so a packed soft bag may not pass a sizer. Set it to 0 to turn the warning off. Weight is what the airline allows in the cabin minus this bag's empty 2.04kg4.5lb. Limits and sources. Own a different bag? Check it against every airline.