Chasm Duffel Bag vs Panga Backpack: which is safer?

Yeti Panga Backpack is our pick: better on PFAS and on the overall hazard picture.

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

Our pick

Yeti

Panga Backpack

PFAS grade

F 40/100

Overall grade

F 28/100

Verdict

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Hazard flags

⚑ 3

Material

Nylon, polyester, recycled materials with water-repellent coating

Confidence

45%

Possiblewater-repellent coating chemistry (unknown PFAS status)

PossibleVolatile organic compound (VOC) off-gassing

PossibleCoating degradation and microfiber shedding over time

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