Everything Backpack 21L

Moment Everything Backpack 21L is a 21L, 0.8kg1.8lb travel backpack measuring 47.5×29×15.2cm18.5×11.5×6in. It fits the carry-on size limit of 36 of 36 major airlines and the personal-item limit of 0 of 26. Under the seat, its 47.5cm18.7in side is over the 40cm15.7in limit at 12 of the 26 airlines it misses. Specs from shopmoment.com, checked September 2026.

Volume: 21Lfixed size
Weight: 0.8kg1.8lb1.8lb0.8kg
Carry-on: 36/36airlines fit it
Personal item: 0/26under-seat limits

Dimensions: 47.5×29×15.2cm18.5×11.5×6in 18.5×11.5×6in47.5×29×15.2cm
Price: $150 as of September 2026
Laptop: up to 16"
Opening: Clamshell, Full clamshell with side and top access
Warranty: Lifetime Lifetime guarantee against manufacturing defects on most bags; the Rugged Camera Sling has a 2-year warranty.
Compartments: n/a
Bottle pockets: n/a

Price history

$99 at every weekly check since Oct 5, 2026 (3 checks).

Checked weekly on the brand's US store.

Organizer
Sternum strap
Luggage pass-through
Camera compartment (insert sold separately)

Material: 420D nylon (Urban Ripstop) exterior, Velex interior, weatherproof main zippers

Padded sleeve for a 16 in laptop or large tablet
Anchors Moment's 8L camera insert (sold separately)
Vertical quick-access pocket and luggage pass-through strap

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Last checked: 2026-09. Prices and specs may have changed.

Does the Moment Everything Backpack 21L fit airline carry-on limits?

Draw against

Fits as a cabin bagFits as a cabin bag 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	FitsFits	Too bigToo big	6.2kg to pack (of 7kg)13.7lb to pack (of 15.4lb)
Air CanadaCabin bag not on every fare	FitsFits	Too bigToo big	No published limitNo published limit
Air FranceCabin bag not on every fare	FitsFits	Too bigToo big	11.2kg to pack (of 12kg shared with personal item)24.7lb to pack (of 26.5lb shared with personal item)
Air India	FitsFits	No published limit	6.2kg to pack (of 7kg)13.7lb to pack (of 15.4lb)
AirAsia	FitsFits	Too bigToo big	6.2kg to pack (of 7kg shared with personal item)13.7lb to pack (of 15.4lb shared with personal item)
Alaska Airlines	FitsFits	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	FitsFits	Too bigToo big	No published limitNo published limit
ANA (All Nippon Airways)	FitsFits	Too bigToo big	9.2kg to pack (of 10kg shared with personal item)20.3lb to pack (of 22lb shared with personal item)
AviancaCabin bag not on every fare	FitsFits	No published limit	9.2kg to pack (of 10kg)20.3lb to pack (of 22lb)
British Airways	FitsFits	Too bigToo big	No published limitNo published limit
Cebu Pacific	FitsFits	Too bigToo big	9.2kg to pack (of 10kg shared with personal item)20.3lb to pack (of 22lb shared with personal item)
Delta Air Lines	FitsFits	No published limit	No published limitNo published limit
easyJetCabin bag not on every fare	FitsFits	Too bigToo big	14.2kg to pack (of 15kg)31.3lb to pack (of 33.1lb)
Emirates	FitsFits	No published limit	6.2kg to pack (of 7kg)13.7lb to pack (of 15.4lb)
Frontier AirlinesCabin bag not on every fare	FitsFits	Too bigToo big	15.1kg to pack (of 15.9kg)33.3lb to pack (of 35.1lb)
Gol Linhas Aereas	FitsFits	No published limit	9.2kg to pack (of 10kg)20.3lb to pack (of 22lb)
IndiGo	FitsFits	No published limit	6.2kg to pack (of 7kg)13.7lb to pack (of 15.4lb)
JetBlue Airways	FitsFits	Too bigToo big	No published limitNo published limit
KLMCabin bag not on every fare	FitsFits	Too bigToo big	11.2kg to pack (of 12kg shared with personal item)24.7lb to pack (of 26.5lb shared with personal item)
LATAM Airlines	FitsFits	Too bigToo big	11.2kg to pack (of 12kg)24.7lb to pack (of 26.5lb)
LufthansaCabin bag not on every fare	FitsFits	Too bigToo big	7.2kg to pack (of 8kg)15.9lb to pack (of 17.6lb)
Norwegian Air ShuttleCabin bag not on every fare	FitsFits	Too bigToo big	9.2kg to pack (of 10kg shared with personal item)20.3lb to pack (of 22lb shared with personal item)
Qantas	FitsFits	No published limit	6.2kg to pack (of 7kg shared with personal item)13.7lb to pack (of 15.4lb shared with personal item)
Qatar Airways	FitsFits	No published limit	6.2kg to pack (of 7kg)13.7lb to pack (of 15.4lb)
RyanairCabin bag not on every fare	FitsFits	Too bigToo big	9.2kg to pack (of 10kg)20.3lb to pack (of 22lb)
SAS	FitsFits	Too bigToo big	7.2kg to pack (of 8kg)15.9lb to pack (of 17.6lb)
Singapore Airlines	FitsFits	Too bigToo big	6.2kg to pack (of 7kg)13.7lb to pack (of 15.4lb)
Southwest Airlines	FitsFits	No published limit	No published limitNo published limit
Turkish Airlines	FitsFits	Too bigToo big	7.2kg to pack (of 8kg)15.9lb to pack (of 17.6lb)
United AirlinesCabin bag not on every fare	FitsFits	Too bigToo big	No published limitNo published limit
Vietjet Air	FitsFits	Too bigToo big	6.2kg to pack (of 7kg shared with personal item)13.7lb to pack (of 15.4lb shared with personal item)
VolarisCabin bag not on every fare	FitsFits	Too bigToo big	9.2kg to pack (of 10kg)20.3lb to pack (of 22lb)
VuelingCabin bag not on every fare	FitsFits	Too bigToo big	9.2kg to pack (of 10kg)20.3lb to pack (of 22lb)
WestJetCabin bag not on every fare	FitsFits	Too bigToo big	No published limitNo published limit
Wizz AirCabin bag not on every fare	FitsFits	Too bigToo big	9.2kg to pack (of 10kg)20.3lb 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 0.8kg1.8lb. Limits and sources. Own a different bag? Check it against every airline.