Boston AT Anti-Theft Weekender

Sherpani Boston AT Anti-Theft Weekender is a 22L, 1.29kg2.8lb duffel measuring 35.6×45.7×21.6cm14×18×8.5in. It fits the carry-on size limit of 25 of 36 major airlines and the personal-item limit of 0 of 26. Under the seat, its 21.6cm8.5in side is over the 20cm7.9in limit at 15 of the 26 airlines it misses. Specs from sherpani.com, checked October 2026.

Volume: 22Lfixed size
Weight: 1.29kg2.8lb2.8lb1.29kg
Carry-on: 25/36airlines fit it
Personal item: 0/26under-seat limits

Dimensions: 35.6×45.7×21.6cm14×18×8.5in 14×18×8.5in35.6×45.7×21.6cm
Price: $155 as of October 2026
Laptop: up to 14"
Opening: main zip with zipper lock clip, removable bottom zip compartment
Warranty: Lifetime Fearless Lifetime Warranty covers the lifetime of the product, not the purchaser.
Compartments: n/a
Bottle pockets: n/a

Shoe compartment (removable)
Water-resistant
Shoulder strap
Luggage pass-through

Material: Recycled nylon, dope-dyed and water-resistant

Carries as a tote or on an adjustable shoulder/crossbody strap (21.5 to 41 in)
Removable bottom zip compartment for shoes or laundry; laptop up to 14 in fits there or in the main compartment
Anti-theft: slash-proof bottom and strap, chair loop lock, Hypalon zipper locks, RFID blocking
Sherpani lists 18 x 14 x 8.5 in without naming the axes; the longest side is recorded as width

Last checked: 2026-10. Prices and specs may have changed.

Does the Sherpani Boston AT Anti-Theft Weekender 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	5.7kg to pack (of 7kg)12.6lb to pack (of 15.4lb)
Air CanadaCabin bag not on every fare	Tight fit (1.4cm spare)Tight fit (0.6in spare)	Too bigToo big	No published limitNo published limit
Air FranceCabin bag not on every fare	Too bigToo big	Too bigToo big	10.7kg to pack (of 12kg shared with personal item)23.6lb to pack (of 26.5lb shared with personal item)
Air India	Too bigToo big	No published limit	5.7kg to pack (of 7kg)12.6lb to pack (of 15.4lb)
AirAsia	Tight fit (0.4cm spare)Tight fit (0.2in spare)	Too bigToo big	5.7kg to pack (of 7kg shared with personal item)12.6lb to pack (of 15.4lb shared with personal item)
Alaska Airlines	Tight fit (0.4cm spare)Tight fit (0.2in spare)	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	Tight fit (0.4cm spare)Tight fit (0.2in spare)	Too bigToo big	No published limitNo published limit
ANA (All Nippon Airways)	FitsFits	Too bigToo big	8.7kg to pack (of 10kg shared with personal item)19.2lb to pack (of 22lb shared with personal item)
AviancaCabin bag not on every fare	Too bigToo big	No published limit	8.7kg to pack (of 10kg)19.2lb to pack (of 22lb)
British Airways	FitsFits	Too bigToo big	No published limitNo published limit
Cebu Pacific	Tight fit (0.4cm spare)Tight fit (0.2in spare)	Too bigToo big	8.7kg to pack (of 10kg shared with personal item)19.2lb to pack (of 22lb shared with personal item)
Delta Air Lines	Tight fit (0.4cm spare)Tight fit (0.2in spare)	No published limit	No published limitNo published limit
easyJetCabin bag not on every fare	FitsFits	Too bigToo big	13.7kg to pack (of 15kg)30.2lb to pack (of 33.1lb)
Emirates	Tight fit (0.4cm spare)Tight fit (0.2in spare)	No published limit	5.7kg to pack (of 7kg)12.6lb to pack (of 15.4lb)
Frontier AirlinesCabin bag not on every fare	FitsFits	Too bigToo big	14.6kg to pack (of 15.9kg)32.2lb to pack (of 35.1lb)
Gol Linhas Aereas	Too bigToo big	No published limit	8.7kg to pack (of 10kg)19.2lb to pack (of 22lb)
IndiGo	Too bigToo big	No published limit	5.7kg to pack (of 7kg)12.6lb to pack (of 15.4lb)
JetBlue Airways	Tight fit (0.4cm spare)Tight fit (0.2in spare)	Too bigToo big	No published limitNo published limit
KLMCabin bag not on every fare	Too bigToo big	Too bigToo big	10.7kg to pack (of 12kg shared with personal item)23.6lb to pack (of 26.5lb shared with personal item)
LATAM Airlines	Too bigToo big	Too bigToo big	10.7kg to pack (of 12kg)23.6lb to pack (of 26.5lb)
LufthansaCabin bag not on every fare	Tight fit (1.4cm spare)Tight fit (0.6in spare)	Too bigToo big	6.7kg to pack (of 8kg)14.8lb to pack (of 17.6lb)
Norwegian Air ShuttleCabin bag not on every fare	Tight fit (1.4cm spare)Tight fit (0.6in spare)	Too bigToo big	8.7kg to pack (of 10kg shared with personal item)19.2lb to pack (of 22lb shared with personal item)
Qantas	Tight fit (0.4cm spare)Tight fit (0.2in spare)	No published limit	5.7kg to pack (of 7kg shared with personal item)12.6lb to pack (of 15.4lb shared with personal item)
Qatar Airways	Tight fit (1.4cm spare)Tight fit (0.6in spare)	No published limit	5.7kg to pack (of 7kg)12.6lb to pack (of 15.4lb)
RyanairCabin bag not on every fare	Too bigToo big	Too bigToo big	8.7kg to pack (of 10kg)19.2lb to pack (of 22lb)
SAS	Tight fit (1.4cm spare)Tight fit (0.6in spare)	Too bigToo big	6.7kg to pack (of 8kg)14.8lb to pack (of 17.6lb)
Singapore Airlines	FitsFits	Too bigToo big	5.7kg to pack (of 7kg)12.6lb to pack (of 15.4lb)
Southwest Airlines	FitsFits	No published limit	No published limitNo published limit
Turkish Airlines	Tight fit (1.4cm spare)Tight fit (0.6in spare)	Too bigToo big	6.7kg to pack (of 8kg)14.8lb 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	Tight fit (0.4cm spare)Tight fit (0.2in spare)	Too bigToo big	5.7kg to pack (of 7kg shared with personal item)12.6lb to pack (of 15.4lb shared with personal item)
VolarisCabin bag not on every fare	FitsFits	Too bigToo big	8.7kg to pack (of 10kg)19.2lb to pack (of 22lb)
VuelingCabin bag not on every fare	Too bigToo big	Too bigToo big	8.7kg to pack (of 10kg)19.2lb to pack (of 22lb)
WestJetCabin bag not on every fare	Tight fit (0.4cm spare)Tight fit (0.2in spare)	Too bigToo big	No published limitNo published limit
Wizz AirCabin bag not on every fare	Tight fit (1.4cm spare)Tight fit (0.6in spare)	Too bigToo big	8.7kg to pack (of 10kg)19.2lb 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 1.29kg2.8lb. Limits and sources. Own a different bag? Check it against every airline.