Shinjuku Sling

WaterField Designs Shinjuku Sling is a 1.6L, 0.25kg0.6lb sling measuring 12.7×20.3×6.4cm5×8×2.5in. It fits the carry-on size limit of 36 of 36 major airlines and the personal-item limit of 26 of 26. Specs from sfbags.com, checked October 2026.

Volume: 1.6Lfixed size
Weight: 0.25kg0.6lb0.6lb0.25kg
Carry-on: 36/36airlines fit it
Personal item: 26/26under-seat limits

Dimensions: 12.7×20.3×6.4cm5×8×2.5in 5×8×2.5in12.7×20.3×6.4cm
Price: $129 as of October 2026
Laptop: no laptop sleeve
Opening: main compartment zip, front zip pocket, back zip pocket
Warranty: Lifetime Defects in materials and workmanship for the life of the product, original purchaser; not wear and tear.
Compartments: n/a
Bottle pockets: n/a

Organizer
Shoulder strap (removable)

Material: 15 oz waxed canvas or 1680D ballistic nylon, full-grain leather accents, YKK waterproof zippers

Weight 0.25 kg in ballistic nylon, 0.32 kg in waxed canvas
Detachable strap with metal paragliding-style buckle
Fits a large phone, AirPods and a Kindle

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

Does the WaterField Designs Shinjuku Sling 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	FitsFits	6.8kg to pack (of 7kg)15lb to pack (of 15.4lb)
Air CanadaCabin bag not on every fare	FitsFits	FitsFits	No published limitNo published limit
Air FranceCabin bag not on every fare	FitsFits	FitsFits	11.8kg to pack (of 12kg shared with personal item)26lb to pack (of 26.5lb shared with personal item)
Air India	FitsFits	No published limit	6.8kg to pack (of 7kg)15lb to pack (of 15.4lb)
AirAsia	FitsFits	FitsFits	6.8kg to pack (of 7kg shared with personal item)15lb 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	FitsFits	9.8kg to pack (of 10kg shared with personal item)21.6lb to pack (of 22lb shared with personal item)
AviancaCabin bag not on every fare	FitsFits	No published limit	9.8kg to pack (of 10kg)21.6lb to pack (of 22lb)
British Airways	FitsFits	FitsFits	No published limitNo published limit
Cebu Pacific	FitsFits	FitsFits	9.8kg to pack (of 10kg shared with personal item)21.6lb 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	14.8kg to pack (of 15kg)32.6lb to pack (of 33.1lb)
Emirates	FitsFits	No published limit	6.8kg to pack (of 7kg)15lb to pack (of 15.4lb)
Frontier AirlinesCabin bag not on every fare	FitsFits	FitsFits	15.7kg to pack (of 15.9kg)34.6lb to pack (of 35.1lb)
Gol Linhas Aereas	FitsFits	No published limit	9.8kg to pack (of 10kg)21.6lb to pack (of 22lb)
IndiGo	FitsFits	No published limit	6.8kg to pack (of 7kg)15lb to pack (of 15.4lb)
JetBlue Airways	FitsFits	FitsFits	No published limitNo published limit
KLMCabin bag not on every fare	FitsFits	FitsFits	11.8kg to pack (of 12kg shared with personal item)26lb to pack (of 26.5lb shared with personal item)
LATAM Airlines	FitsFits	FitsFits	11.8kg to pack (of 12kg)26lb to pack (of 26.5lb)
LufthansaCabin bag not on every fare	FitsFits	FitsFits	7.8kg to pack (of 8kg)17.2lb to pack (of 17.6lb)
Norwegian Air ShuttleCabin bag not on every fare	FitsFits	FitsFits	9.8kg to pack (of 10kg shared with personal item)21.6lb to pack (of 22lb shared with personal item)
Qantas	FitsFits	No published limit	6.8kg to pack (of 7kg shared with personal item)15lb to pack (of 15.4lb shared with personal item)
Qatar Airways	FitsFits	No published limit	6.8kg to pack (of 7kg)15lb to pack (of 15.4lb)
RyanairCabin bag not on every fare	FitsFits	FitsFits	9.8kg to pack (of 10kg)21.6lb to pack (of 22lb)
SAS	FitsFits	FitsFits	7.8kg to pack (of 8kg)17.2lb to pack (of 17.6lb)
Singapore Airlines	FitsFits	FitsFits	6.8kg to pack (of 7kg)15lb to pack (of 15.4lb)
Southwest Airlines	FitsFits	No published limit	No published limitNo published limit
Turkish Airlines	FitsFits	FitsFits	7.8kg to pack (of 8kg)17.2lb to pack (of 17.6lb)
United AirlinesCabin bag not on every fare	FitsFits	FitsFits	No published limitNo published limit
Vietjet Air	FitsFits	FitsFits	6.8kg to pack (of 7kg shared with personal item)15lb to pack (of 15.4lb shared with personal item)
VolarisCabin bag not on every fare	FitsFits	FitsFits	9.8kg to pack (of 10kg)21.6lb to pack (of 22lb)
VuelingCabin bag not on every fare	FitsFits	FitsFits	9.8kg to pack (of 10kg)21.6lb to pack (of 22lb)
WestJetCabin bag not on every fare	FitsFits	FitsFits	No published limitNo published limit
Wizz AirCabin bag not on every fare	FitsFits	FitsFits	9.8kg to pack (of 10kg)21.6lb 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 0.25kg0.6lb. Limits and sources. Own a different bag? Check it against every airline.