Transporter Waterproof Duffel vs Chasm Duffel Bag: which is safer?

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

Osprey Transporter Waterproof Duffel

Osprey

Transporter Waterproof Duffel

PFAS grade

F 40/100

Overall grade

F 10/100

Verdict

Skip

Hazard flags

⚑ 4

Material

Polyester with proprietary waterproof treatment

Confidence

45%

PossiblePFAS in waterproof coating (non-quantified)

PossiblePolyester microfiber shedding

PossibleVOC off-gassing from dyes and coating

Our pick

Thule Chasm Duffel Bag

Thule

Chasm Duffel Bag

PFAS grade

F 40/100

Overall grade

F 14/100

Verdict

Skip

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

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