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

Yes. The CABINZERO Classic 28L is within the Frontier carry-on bag limit of 24 × 16 × 10 in (≈ 61 × 40.6 × 25.4 cm) on every side: height +8.6 in, width +4.4 in, depth +2.1 in.

Frontier limit 24 × 16 × 10 in (≈ 61 × 40.6 × 25.4 cm) · Frontier 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 Frontier sizer

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FRONTSIDE16 in wide10 in deep24 in tall
Frontier carry-on bag limitCABINZERO Classic 28L, as listedDrawn to scale
FRONTSIDE14 in wide8 in deep18 in tall
Frontier · Personal item

CABINZERO Classic 28L

FitsYes. The CABINZERO Classic 28L is within the Frontier personal item limit of 18 × 14 × 8 in (≈ 45.7 × 35.6 × 20.3 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—

Including handles, wheels and straps.

Other bags for Frontier

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
AllegiantFits
RyanairFits
All 18 airlines for the Classic 28L

Questions

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

Yes. The CABINZERO Classic 28L is within the Frontier carry-on bag limit of 24 × 16 × 10 in (≈ 61 × 40.6 × 25.4 cm) on every side: height +8.6 in, width +4.4 in, depth +2.1 in.

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

Yes. The CABINZERO Classic 28L is within the Frontier personal item limit of 18 × 14 × 8 in (≈ 45.7 × 35.6 × 20.3 cm) on every side: height +2.6 in, width +2.4 in, depth +0.1 in.

How much can I pack in the CABINZERO Classic 28L on Frontier?

Frontier allows 15.9 kg for the carry-on bag. The pack weighs 600 g (1 lb 5 oz) empty, which leaves about 15.3 kg for your things.