Traverse Backpack (38L)

ALPAKA Traverse Backpack (38L) is a 38L, 2.1kg4.6lb travel backpack measuring 50×31×20cm19.5×12×8in. 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 50cm19.7in side is over the 40cm15.7in limit at 12 of the 26 airlines it misses. Specs from alpakagear.com, checked September 2026.

Volume: 38Lfixed size
Weight: 2.1kg4.6lb4.6lb2.1kg
Carry-on: 36/36airlines fit it
Personal item: 0/26under-seat limits

Dimensions: 50×31×20cm19.5×12×8in 19.5×12×8in50×31×20cm
Price: $269 as of September 2026
Laptop: up to 16"
Opening: Clamshell
Warranty: Lifetime Manufacturing defects and transit damage only, not wear or later damage.
Compartments: n/a
Bottle pockets: 1

Price history

$269 at every weekly check since Oct 5, 2026 (3 checks).

Checked weekly on the brand's US store.

Organizer
Water-resistant
Hip belt
Sternum strap
Luggage pass-through

Material: Axoflux 400D ripstop nylon exterior; Axoflux 300D honeycomb ripstop polyester interior

Dual side-access front compartments with sleeve pockets and pen slots
Fleece-lined 16 inch laptop compartment and hidden AirTag sleeve
Zippered bottle pocket fits up to 10 cm diameter
YKK AquaGuard zippers
30L version also sold

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

Does the ALPAKA Traverse Backpack (38L) fit airline carry-on limits?

Draw against

Cabin bag, tight (no spare)Cabin bag, tight (no spare) 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	Tight fit (no spare)Tight fit (no spare)	Too bigToo big	4.9kg to pack (of 7kg)10.8lb 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	9.9kg to pack (of 12kg shared with personal item)21.8lb to pack (of 26.5lb shared with personal item)
Air India	Tight fit (no spare)Tight fit (no spare)	No published limit	4.9kg to pack (of 7kg)10.8lb to pack (of 15.4lb)
AirAsia	FitsFits	Too bigToo big	4.9kg to pack (of 7kg shared with personal item)10.8lb 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	7.9kg to pack (of 10kg shared with personal item)17.4lb to pack (of 22lb shared with personal item)
AviancaCabin bag not on every fare	FitsFits	No published limit	7.9kg to pack (of 10kg)17.4lb to pack (of 22lb)
British Airways	FitsFits	Too bigToo big	No published limitNo published limit
Cebu Pacific	FitsFits	Too bigToo big	7.9kg to pack (of 10kg shared with personal item)17.4lb 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	12.9kg to pack (of 15kg)28.4lb to pack (of 33.1lb)
Emirates	FitsFits	No published limit	4.9kg to pack (of 7kg)10.8lb to pack (of 15.4lb)
Frontier AirlinesCabin bag not on every fare	FitsFits	Too bigToo big	13.8kg to pack (of 15.9kg)30.4lb to pack (of 35.1lb)
Gol Linhas Aereas	FitsFits	No published limit	7.9kg to pack (of 10kg)17.4lb to pack (of 22lb)
IndiGo	FitsFits	No published limit	4.9kg to pack (of 7kg)10.8lb 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	9.9kg to pack (of 12kg shared with personal item)21.8lb to pack (of 26.5lb shared with personal item)
LATAM Airlines	FitsFits	Too bigToo big	9.9kg to pack (of 12kg)21.8lb to pack (of 26.5lb)
LufthansaCabin bag not on every fare	FitsFits	Too bigToo big	5.9kg to pack (of 8kg)13lb to pack (of 17.6lb)
Norwegian Air ShuttleCabin bag not on every fare	FitsFits	Too bigToo big	7.9kg to pack (of 10kg shared with personal item)17.4lb to pack (of 22lb shared with personal item)
Qantas	FitsFits	No published limit	4.9kg to pack (of 7kg shared with personal item)10.8lb to pack (of 15.4lb shared with personal item)
Qatar Airways	Tight fit (no spare)Tight fit (no spare)	No published limit	4.9kg to pack (of 7kg)10.8lb to pack (of 15.4lb)
RyanairCabin bag not on every fare	Tight fit (no spare)Tight fit (no spare)	Too bigToo big	7.9kg to pack (of 10kg)17.4lb to pack (of 22lb)
SAS	FitsFits	Too bigToo big	5.9kg to pack (of 8kg)13lb to pack (of 17.6lb)
Singapore Airlines	FitsFits	Too bigToo big	4.9kg to pack (of 7kg)10.8lb to pack (of 15.4lb)
Southwest Airlines	FitsFits	No published limit	No published limitNo published limit
Turkish Airlines	FitsFits	Too bigToo big	5.9kg to pack (of 8kg)13lb 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	4.9kg to pack (of 7kg shared with personal item)10.8lb to pack (of 15.4lb shared with personal item)
VolarisCabin bag not on every fare	FitsFits	Too bigToo big	7.9kg to pack (of 10kg)17.4lb to pack (of 22lb)
VuelingCabin bag not on every fare	Tight fit (no spare)Tight fit (no spare)	Too bigToo big	7.9kg to pack (of 10kg)17.4lb 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	7.9kg to pack (of 10kg)17.4lb 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 2.1kg4.6lb. Limits and sources. Own a different bag? Check it against every airline.