Mirage 40 Ultralight Backpack

Gossamer Gear Mirage 40 Ultralight Backpack is a 40L, 0.53kg1.2lb travel backpack measuring 60×30×16cm23.5×12×6.5in. It fits the carry-on size limit of 3 of 36 major airlines and the personal-item limit of 0 of 26. Under the seat, its 60cm23.6in side is over the 40cm15.7in limit at 12 of the 26 airlines it misses. Specs from gossamergear.com, checked September 2026.

Volume: 40Lfixed size
Weight: 0.53kg1.2lb1.2lb0.53kg
Carry-on: 3/36airlines fit it
Personal item: 0/26under-seat limits

Dimensions: 60×30×16cm23.5×12×6.5in 23.5×12×6.5in60×30×16cm
Price: $450 as of September 2026
Laptop: no laptop sleeve
Opening: Roll-top, Roll top with two side buckle closures
Warranty: 1 year Manufacturing defects for the US purchaser, not material or fabric failure from durability limits.
Compartments: 1
Bottle pockets: 2

Price history

$450 at every weekly check since Oct 5, 2026 (3 checks).

Checked weekly on the brand's US store.

Frame sheet
Water-resistant
Hip belt

Material: ALUULA Graflyte V52 (100% polyethylene), PFAS free, UHMWPE stretch mesh

Height to the extension collar; 76 cm to the top
Carbon fiber X-frame connected to the hip belt; adjustable torso length
40L including pockets; fully taped interior seams

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

Does the Gossamer Gear Mirage 40 Ultralight 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	6.5kg to pack (of 7kg)14.3lb to pack (of 15.4lb)
Air CanadaCabin bag not on every fare	Too bigToo big	Too bigToo big	No published limitNo published limit
Air FranceCabin bag not on every fare	Too bigToo big	Too bigToo big	11.5kg to pack (of 12kg shared with personal item)25.4lb to pack (of 26.5lb shared with personal item)
Air India	Too bigToo big	No published limit	6.5kg to pack (of 7kg)14.3lb to pack (of 15.4lb)
AirAsia	Too bigToo big	Too bigToo big	6.5kg to pack (of 7kg shared with personal item)14.3lb to pack (of 15.4lb shared with personal item)
Alaska Airlines	Too bigToo big	No published limit	No published limitNo published limit
Allegiant AirCabin bag not on every fare	Too bigToo big	Too bigToo big	No published limitNo published limit
American Airlines	Too bigToo big	Too bigToo big	No published limitNo published limit
ANA (All Nippon Airways)	Too bigToo big	Too bigToo big	9.5kg to pack (of 10kg shared with personal item)20.9lb to pack (of 22lb shared with personal item)
AviancaCabin bag not on every fare	Too bigToo big	No published limit	9.5kg to pack (of 10kg)20.9lb to pack (of 22lb)
British Airways	Too bigToo big	Too bigToo big	No published limitNo published limit
Cebu Pacific	Too bigToo big	Too bigToo big	9.5kg to pack (of 10kg shared with personal item)20.9lb to pack (of 22lb shared with personal item)
Delta Air Lines	Too bigToo big	No published limit	No published limitNo published limit
easyJetCabin bag not on every fare	Too bigToo big	Too bigToo big	14.5kg to pack (of 15kg)32lb to pack (of 33.1lb)
Emirates	Too bigToo big	No published limit	6.5kg to pack (of 7kg)14.3lb to pack (of 15.4lb)
Frontier AirlinesCabin bag not on every fare	Tight fit (1cm spare)Tight fit (0.4in spare)	Too bigToo big	15.4kg to pack (of 15.9kg)34lb to pack (of 35.1lb)
Gol Linhas Aereas	Too bigToo big	No published limit	9.5kg to pack (of 10kg)20.9lb to pack (of 22lb)
IndiGo	Too bigToo big	No published limit	6.5kg to pack (of 7kg)14.3lb to pack (of 15.4lb)
JetBlue Airways	Too bigToo big	Too bigToo big	No published limitNo published limit
KLMCabin bag not on every fare	Too bigToo big	Too bigToo big	11.5kg to pack (of 12kg shared with personal item)25.4lb to pack (of 26.5lb shared with personal item)
LATAM Airlines	Too bigToo big	Too bigToo big	11.5kg to pack (of 12kg)25.4lb to pack (of 26.5lb)
LufthansaCabin bag not on every fare	Too bigToo big	Too bigToo big	7.5kg to pack (of 8kg)16.5lb to pack (of 17.6lb)
Norwegian Air ShuttleCabin bag not on every fare	Too bigToo big	Too bigToo big	9.5kg to pack (of 10kg shared with personal item)20.9lb to pack (of 22lb shared with personal item)
Qantas	Too bigToo big	No published limit	6.5kg to pack (of 7kg shared with personal item)14.3lb to pack (of 15.4lb shared with personal item)
Qatar Airways	Too bigToo big	No published limit	6.5kg to pack (of 7kg)14.3lb to pack (of 15.4lb)
RyanairCabin bag not on every fare	Too bigToo big	Too bigToo big	9.5kg to pack (of 10kg)20.9lb to pack (of 22lb)
SAS	Too bigToo big	Too bigToo big	7.5kg to pack (of 8kg)16.5lb to pack (of 17.6lb)
Singapore Airlines	FitsFits	Too bigToo big	6.5kg to pack (of 7kg)14.3lb to pack (of 15.4lb)
Southwest Airlines	Tight fit (1cm spare)Tight fit (0.4in spare)	No published limit	No published limitNo published limit
Turkish Airlines	Too bigToo big	Too bigToo big	7.5kg to pack (of 8kg)16.5lb to pack (of 17.6lb)
United AirlinesCabin bag not on every fare	Too bigToo big	Too bigToo big	No published limitNo published limit
Vietjet Air	Too bigToo big	Too bigToo big	6.5kg to pack (of 7kg shared with personal item)14.3lb to pack (of 15.4lb shared with personal item)
VolarisCabin bag not on every fare	Too bigToo big	Too bigToo big	9.5kg to pack (of 10kg)20.9lb to pack (of 22lb)
VuelingCabin bag not on every fare	Too bigToo big	Too bigToo big	9.5kg to pack (of 10kg)20.9lb to pack (of 22lb)
WestJetCabin bag not on every fare	Too bigToo big	Too bigToo big	No published limitNo published limit
Wizz AirCabin bag not on every fare	Too bigToo big	Too bigToo big	9.5kg to pack (of 10kg)20.9lb 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 0.53kg1.2lb. Limits and sources. Own a different bag? Check it against every airline.