Gorilla 50 Ultralight Backpack

Gossamer Gear Gorilla 50 Ultralight Backpack is a 50L, 0.91kg2lb travel backpack measuring 61×28×12cm24×11×4.5in. 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 61cm24in side is over the 40cm15.7in limit at 12 of the 26 airlines it misses. Specs from gossamergear.com, checked September 2026.

Volume: 50Lfixed size
Weight: 0.91kg2lb2lb0.91kg
Carry-on: 3/36airlines fit it
Personal item: 0/26under-seat limits

Dimensions: 61×28×12cm24×11×4.5in 24×11×4.5in61×28×12cm
Price: $275 as of September 2026
Laptop: no laptop sleeve
Opening: Quick-access fold-over lid
Warranty: 1 year Manufacturing defects for the US purchaser, not material or fabric failure from durability limits.
Torso length: 40.6 to 55.9cm (16 to 22in)
Sizes: Small, Medium, Large
Compartments: 1
Bottle pockets: n/a

Price history

$275 at every weekly check since Oct 5, 2026 (3 checks).

Checked weekly on the brand's US store.

Hydration sleeve
Frame sheet (removable)
Hip belt (removable)
Sternum strap
Load lifters

Material: 70D and 100D recycled Robic nylon, PFAS free

Dimensions and weight for size Medium with the included M straight belt; height to the extension collar seam
Removable aluminum PVT frame with pivoting hip belt, S-curve harness
32L main body; large external stretch mesh pocket

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

Does the Gossamer Gear Gorilla 50 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	6.1kg to pack (of 7kg)13.4lb 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	11.1kg to pack (of 12kg shared with personal item)24.5lb to pack (of 26.5lb shared with personal item)
Air India	Too bigToo big	No published limit	6.1kg to pack (of 7kg)13.4lb to pack (of 15.4lb)
AirAsia	Too bigToo big	Too bigToo big	6.1kg to pack (of 7kg shared with personal item)13.4lb 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	9.1kg to pack (of 10kg shared with personal item)20.1lb to pack (of 22lb shared with personal item)
AviancaCabin bag not on every fare	Too bigToo big	No published limit	9.1kg to pack (of 10kg)20.1lb 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	9.1kg to pack (of 10kg shared with personal item)20.1lb 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	14.1kg to pack (of 15kg)31.1lb to pack (of 33.1lb)
Emirates	Too bigToo big	No published limit	6.1kg to pack (of 7kg)13.4lb to pack (of 15.4lb)
Frontier AirlinesCabin bag not on every fare	Tight fit (no spare)Tight fit (no spare)	Too bigToo big	15kg to pack (of 15.9kg)33.1lb to pack (of 35.1lb)
Gol Linhas Aereas	Too bigToo big	No published limit	9.1kg to pack (of 10kg)20.1lb to pack (of 22lb)
IndiGo	Too bigToo big	No published limit	6.1kg to pack (of 7kg)13.4lb 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	11.1kg to pack (of 12kg shared with personal item)24.5lb to pack (of 26.5lb shared with personal item)
LATAM Airlines	Too bigToo big	Too bigToo big	11.1kg to pack (of 12kg)24.5lb to pack (of 26.5lb)
LufthansaCabin bag not on every fare	Too bigToo big	Too bigToo big	7.1kg to pack (of 8kg)15.7lb to pack (of 17.6lb)
Norwegian Air ShuttleCabin bag not on every fare	Too bigToo big	Too bigToo big	9.1kg to pack (of 10kg shared with personal item)20.1lb to pack (of 22lb shared with personal item)
Qantas	Too bigToo big	No published limit	6.1kg to pack (of 7kg shared with personal item)13.4lb to pack (of 15.4lb shared with personal item)
Qatar Airways	Too bigToo big	No published limit	6.1kg to pack (of 7kg)13.4lb to pack (of 15.4lb)
RyanairCabin bag not on every fare	Too bigToo big	Too bigToo big	9.1kg to pack (of 10kg)20.1lb to pack (of 22lb)
SAS	Too bigToo big	Too bigToo big	7.1kg to pack (of 8kg)15.7lb to pack (of 17.6lb)
Singapore Airlines	FitsFits	Too bigToo big	6.1kg to pack (of 7kg)13.4lb to pack (of 15.4lb)
Southwest Airlines	Tight fit (no spare)Tight fit (no spare)	No published limit	No published limitNo published limit
Turkish Airlines	Too bigToo big	Too bigToo big	7.1kg to pack (of 8kg)15.7lb 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	6.1kg to pack (of 7kg shared with personal item)13.4lb to pack (of 15.4lb shared with personal item)
VolarisCabin bag not on every fare	Too bigToo big	Too bigToo big	9.1kg to pack (of 10kg)20.1lb to pack (of 22lb)
VuelingCabin bag not on every fare	Too bigToo big	Too bigToo big	9.1kg to pack (of 10kg)20.1lb 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	9.1kg to pack (of 10kg)20.1lb 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 0.91kg2lb. Limits and sources. Own a different bag? Check it against every airline.