Arcane Small Day

Osprey Arcane Small Day is a 12L, 0.5kg1.1lb travel backpack measuring 39×27×17cm15.5×10.5×6.5in. It fits the carry-on size limit of 36 of 36 major airlines and the personal-item limit of 13 of 26. Under the seat, its 17cm6.7in side is over the 15cm5.9in limit at 6 of the 13 airlines it misses. Specs from osprey.com, checked September 2026.

Volume: 12Lfixed size
Weight: 0.5kg1.1lb1.1lb0.5kg
Carry-on: 36/36airlines fit it
Personal item: 13/26under-seat limits

Dimensions: 39×27×17cm15.5×10.5×6.5in 15.5×10.5×6.5in39×27×17cm
Price: $100 as of September 2026
Laptop: up to 14"
Opening: Panel access, J-zip panel
Warranty: Lifetime Repairs or replaces any product for any reason, including damage and wear.
Compartments: n/a
Bottle pockets: 0

Organizer
Water-resistant

Material: bluesign approved 100% recycled 480D polyester, PFAS-free DWR

Scratch-free front zip pocket
Quick-release aluminum security hook on harness
Internal zip pocket and key clip

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

Does the Osprey Arcane Small Day fit airline carry-on limits?

Draw against

Fits under the seatFits under the seat 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	6.5kg to pack (of 7kg)14.3lb 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	11.5kg to pack (of 12kg shared with personal item)25.4lb to pack (of 26.5lb shared with personal item)
Air India	FitsFits	No published limit	6.5kg to pack (of 7kg)14.3lb to pack (of 15.4lb)
AirAsia	FitsFits	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	FitsFits	No published limit	No published limitNo published limit
Allegiant AirCabin bag not on every fare	FitsFits	FitsFits	No published limitNo published limit
American Airlines	FitsFits	FitsFits	No published limitNo published limit
ANA (All Nippon Airways)	FitsFits	Tight fit (1cm spare)Tight fit (0.4in spare)	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	FitsFits	No published limit	9.5kg to pack (of 10kg)20.9lb to pack (of 22lb)
British Airways	FitsFits	FitsFits	No published limitNo published limit
Cebu Pacific	FitsFits	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	FitsFits	No published limit	No published limitNo published limit
easyJetCabin bag not on every fare	FitsFits	FitsFits	14.5kg to pack (of 15kg)32lb to pack (of 33.1lb)
Emirates	FitsFits	No published limit	6.5kg to pack (of 7kg)14.3lb to pack (of 15.4lb)
Frontier AirlinesCabin bag not on every fare	FitsFits	FitsFits	15.4kg to pack (of 15.9kg)34lb to pack (of 35.1lb)
Gol Linhas Aereas	FitsFits	No published limit	9.5kg to pack (of 10kg)20.9lb to pack (of 22lb)
IndiGo	FitsFits	No published limit	6.5kg to pack (of 7kg)14.3lb to pack (of 15.4lb)
JetBlue Airways	FitsFits	FitsFits	No published limitNo published limit
KLMCabin bag not on every fare	FitsFits	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	FitsFits	FitsFits	11.5kg to pack (of 12kg)25.4lb to pack (of 26.5lb)
LufthansaCabin bag not on every fare	FitsFits	Too bigToo big	7.5kg to pack (of 8kg)16.5lb to pack (of 17.6lb)
Norwegian Air ShuttleCabin bag not on every fare	FitsFits	Tight fit (1cm spare)Tight fit (0.4in spare)	9.5kg to pack (of 10kg shared with personal item)20.9lb to pack (of 22lb shared with personal item)
Qantas	FitsFits	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	FitsFits	No published limit	6.5kg to pack (of 7kg)14.3lb to pack (of 15.4lb)
RyanairCabin bag not on every fare	FitsFits	Tight fit (1cm spare)Tight fit (0.4in spare)	9.5kg to pack (of 10kg)20.9lb to pack (of 22lb)
SAS	FitsFits	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	FitsFits	No published limit	No published limitNo published limit
Turkish Airlines	FitsFits	Too bigToo big	7.5kg to pack (of 8kg)16.5lb 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	6.5kg 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	FitsFits	FitsFits	9.5kg to pack (of 10kg)20.9lb to pack (of 22lb)
VuelingCabin bag not on every fare	FitsFits	Tight fit (1cm spare)Tight fit (0.4in spare)	9.5kg to pack (of 10kg)20.9lb 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	Tight fit (1cm spare)Tight fit (0.4in spare)	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 0.5kg1.1lb. Limits and sources. Own a different bag? Check it against every airline.