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Champs Luggage Onyx Modern II Backpack vs Mountainsmith ZEVO 13L Daypack

The Champs Luggage Onyx Modern II Backpack is 13L and 0.85kg1.9lb; the Mountainsmith ZEVO 13L Daypack is 13L and 0.82kg1.8lb. The Mountainsmith ZEVO 13L Daypack is 0.03kg0.1lb lighter. The Champs Luggage Onyx Modern II Backpack costs $34.94999999999999 less. The Champs Luggage Onyx Modern II Backpack fits the carry-on limit of 36 of 36 major airlines and the Mountainsmith ZEVO 13L Daypack fits 36; under the seat, 7 and 1 of 26.

SpecChamps Luggage Onyx Modern II BackpackMountainsmith ZEVO 13L Daypack
Price$145Best$179.95
Volume13L13L
Weight0.85kg1.9lb0.82kg1.8lbBest
Carry-on compliance100%100%
Personal-item compliance27%Best4%
Dimensions43.2×30.5×11.4cm17×12×4.5in45.7×22.9×12.7cm18×9×5in
Laptopn/ano laptop sleeve
Bottle pocketsn/a2
Openingn/aPanel access, Zippered panel loader
Warranty10 yearsLifetime
Torso lengthn/a38.1 to 48.3cm (15 to 19in)
OrganizerYesYes
Shoe compartmentNoNo
Hydration sleeveNoYes
Frame sheetNoYes
Water-resistantYesNo
Rain coverNoNo
MOLLENoNo
Hip beltNoYes
Sternum strapNoYes
Load liftersNoNo
Shoulder strapNoNo
Luggage pass-throughYesNo
Camera compartmentNoNo
MaterialWater-resistant PU500D nylon Mil-DTL-32439 Type 3 Class 3 (Multicam or Multicam Black), 150D high density polyester liner, YKK zippers
Last checked2026-102026-09

Where their airline fit differs

AirlineLimitChamps Luggage Onyx Modern II BackpackMountainsmith ZEVO 13L Daypack
Allegiant AirPersonal itemFitsToo big
American AirlinesPersonal itemFitsToo big
British AirwaysPersonal itemFitsToo big
easyJetPersonal itemFitsToo big
LATAM AirlinesPersonal itemFitsToo big
VolarisPersonal itemFitsToo big

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Specs come from each brand's own product page. Fit uses listed dimensions in any orientation. How we score carry-on fit.

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