Does the CABINZERO Classic 44L fit Southwest's carry-on bag limit?

Yes. The CABINZERO Classic 44L is within the Southwest carry-on bag limit of 24 × 16 × 10 in (≈ 61 × 40.6 × 25.4 cm) on every side: height +3.9 in, width +1.8 in, depth +2.9 in.

Southwest limit 24 × 16 × 10 in (≈ 61 × 40.6 × 25.4 cm) · Southwest baggage page, checked 2026-10-26CABINZERO Classic 44L 51 × 36 × 18 cm (20.1 × 14.2 × 7.1 in) · maker’s page

CABINZERO Classic 44L in the Southwest sizer

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FRONTSIDE16 in wide10 in deep24 in tall
Southwest carry-on bag limitCABINZERO Classic 44L, as listedDrawn to scale

Other bags for Southwest

BagVerdict
Osprey Farpoint 40Fits
Osprey Fairview 40Fits
Osprey Daylite Plus 20Fits
Cotopaxi Allpa 35LFits
Aer Travel Pack 3Fits

Classic 44L on other airlines

AirlineVerdict
DeltaToo big
UnitedToo big
AmericanToo big
JetBlueToo big
SpiritFits
FrontierFits
AllegiantFits
RyanairFits
All 18 airlines for the Classic 44L

Questions

Is the CABINZERO Classic 44L allowed as Southwest carry-on bag?

Yes. The CABINZERO Classic 44L is within the Southwest carry-on bag limit of 24 × 16 × 10 in (≈ 61 × 40.6 × 25.4 cm) on every side: height +3.9 in, width +1.8 in, depth +2.9 in.