Forma 1.0X Tote

Alpha One Niner Forma 1.0X Tote is a 13L, 1kg2.2lb tote measuring 58.5×33×11.5cm23×13×4.5in. 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 58.5cm23in side is over the 40cm15.7in limit at 12 of the 26 airlines it misses. Specs from alphaoneniner.com, checked September 2026.

Volume: 13Lfixed size
Weight: 1kg2.2lb2.2lb1kg
Carry-on: 3/36airlines fit it
Personal item: 0/26under-seat limits

Dimensions: 58.5×33×11.5cm23×13×4.5in 23×13×4.5in58.5×33×11.5cm
Price: $299 as of September 2026
Laptop: up to 13"
Opening: zip top
Warranty: 5 years Year one covers wear too; years two to five cover defects only.
Compartments: n/a
Bottle pockets: 2

Price history

$299 at every weekly check since Oct 5, 2026 (3 checks).

Checked weekly on the brand's US store.

Organizer
Shoulder strap (removable)

Material: Dimension-Polyant X50 with 1050D ballistic nylon bottom and sides, 200D UHMWPE ripstop interior

Height is measured from the top of the handle to the base
Suspended laptop sleeve tested with a 13 in MacBook Air, plus stretch tablet sleeve

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

Does the Alpha One Niner Forma 1.0X Tote 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	6kg to pack (of 7kg)13.2lb 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	11kg to pack (of 12kg shared with personal item)24.3lb to pack (of 26.5lb shared with personal item)
Air India	Too bigToo big	No published limit	6kg to pack (of 7kg)13.2lb to pack (of 15.4lb)
AirAsia	Too bigToo big	Too bigToo big	6kg to pack (of 7kg shared with personal item)13.2lb 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	9kg to pack (of 10kg shared with personal item)19.8lb to pack (of 22lb shared with personal item)
AviancaCabin bag not on every fare	Too bigToo big	No published limit	9kg to pack (of 10kg)19.8lb 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	9kg to pack (of 10kg shared with personal item)19.8lb 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	14kg to pack (of 15kg)30.9lb to pack (of 33.1lb)
Emirates	Too bigToo big	No published limit	6kg to pack (of 7kg)13.2lb to pack (of 15.4lb)
Frontier AirlinesCabin bag not on every fare	FitsFits	Too bigToo big	14.9kg to pack (of 15.9kg)32.8lb to pack (of 35.1lb)
Gol Linhas Aereas	Too bigToo big	No published limit	9kg to pack (of 10kg)19.8lb to pack (of 22lb)
IndiGo	Too bigToo big	No published limit	6kg to pack (of 7kg)13.2lb 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	11kg to pack (of 12kg shared with personal item)24.3lb to pack (of 26.5lb shared with personal item)
LATAM Airlines	Too bigToo big	Too bigToo big	11kg to pack (of 12kg)24.3lb to pack (of 26.5lb)
LufthansaCabin bag not on every fare	Too bigToo big	Too bigToo big	7kg to pack (of 8kg)15.4lb to pack (of 17.6lb)
Norwegian Air ShuttleCabin bag not on every fare	Too bigToo big	Too bigToo big	9kg to pack (of 10kg shared with personal item)19.8lb to pack (of 22lb shared with personal item)
Qantas	Too bigToo big	No published limit	6kg to pack (of 7kg shared with personal item)13.2lb to pack (of 15.4lb shared with personal item)
Qatar Airways	Too bigToo big	No published limit	6kg to pack (of 7kg)13.2lb to pack (of 15.4lb)
RyanairCabin bag not on every fare	Too bigToo big	Too bigToo big	9kg to pack (of 10kg)19.8lb to pack (of 22lb)
SAS	Too bigToo big	Too bigToo big	7kg to pack (of 8kg)15.4lb to pack (of 17.6lb)
Singapore Airlines	FitsFits	Too bigToo big	6kg to pack (of 7kg)13.2lb to pack (of 15.4lb)
Southwest Airlines	FitsFits	No published limit	No published limitNo published limit
Turkish Airlines	Too bigToo big	Too bigToo big	7kg to pack (of 8kg)15.4lb 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	6kg to pack (of 7kg shared with personal item)13.2lb to pack (of 15.4lb shared with personal item)
VolarisCabin bag not on every fare	Too bigToo big	Too bigToo big	9kg to pack (of 10kg)19.8lb to pack (of 22lb)
VuelingCabin bag not on every fare	Too bigToo big	Too bigToo big	9kg to pack (of 10kg)19.8lb 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	9kg to pack (of 10kg)19.8lb 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 1kg2.2lb. Limits and sources. Own a different bag? Check it against every airline.