Aion Duffel vs Chasm Duffel Bag: which is safer?

Thule Aion Duffel is our pick: better on PFAS and on the overall hazard picture.

Our pick

Thule

Aion Duffel

PFAS grade

F 40/100

Overall grade

F 22/100

Verdict

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Hazard flags

⚑ 3

Material

Recycled polyester with water-repellent coating treatment

Confidence

45%

Possiblewater-repellent coating composition (fluorine-based or PFAS alternative)

ReportedDegradation and leaching during washing or extended use

PossibleMicroplastic shedding from polyester fibers

Why this grade

Thule

Chasm Duffel Bag

PFAS grade

F 40/100

Overall grade

F 14/100

Verdict

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Hazard flags

⚑ 3

Material

Ballistic nylon with water-repellent coating waterproof finish

Confidence

40%

LikelyPFAS in water-repellent coating waterproof treatment

PossibleVolatile organic compound (VOC) off-gassing

PossibleMicroplastic shedding from synthetic textile

Why this grade

Both products run through the same public rubric: materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →

More waterproof outdoor luggage: see the full ranking