Does the CABINZERO Classic 28L fit Allegiant's carry-on bag limit?

Yes. The CABINZERO Classic 28L is within the Allegiant carry-on bag limit of 22 × 16 × 10 in (55 × 40 × 25 cm) on every side: height +6.6 in, width +4.4 in, depth +2.1 in.

Allegiant limit 22 × 16 × 10 in (55 × 40 × 25 cm) · Allegiant baggage page, checked 2026-10-26CABINZERO Classic 28L 39 × 29.5 × 20 cm (15.4 × 11.6 × 7.9 in) · maker’s page

CABINZERO Classic 28L in the Allegiant sizer

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FRONTSIDE16 in wide10 in deep22 in tall
Allegiant carry-on bag limitCABINZERO Classic 28L, as listedDrawn to scale
FRONTSIDE14 in wide8 in deep18 in tall
Allegiant · Personal item

CABINZERO Classic 28L

FitsYes. The CABINZERO Classic 28L is within the Allegiant personal item limit of 18 × 14 × 8 in (45 × 35 × 20 cm) on every side: height +2.6 in, width +2.4 in, depth +0.1 in.
LimitBagRoomHeight, in1815.4+2.6 inWidth, in1411.6+2.4 inDepth, in87.9+0.1 inWeight, kgnone0.6—

Must fit completely under the seat.

Other bags for Allegiant

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

Classic 28L on other airlines

AirlineVerdict
DeltaFits
UnitedFits
AmericanFits
SouthwestFits
JetBlueFits
SpiritFits
FrontierFits
RyanairFits
All 18 airlines for the Classic 28L

Questions

Is the CABINZERO Classic 28L allowed as Allegiant carry-on bag?

Yes. The CABINZERO Classic 28L is within the Allegiant carry-on bag limit of 22 × 16 × 10 in (55 × 40 × 25 cm) on every side: height +6.6 in, width +4.4 in, depth +2.1 in.

Is the CABINZERO Classic 28L allowed as Allegiant personal item?

Yes. The CABINZERO Classic 28L is within the Allegiant personal item limit of 18 × 14 × 8 in (45 × 35 × 20 cm) on every side: height +2.6 in, width +2.4 in, depth +0.1 in.